ON REHEARING
Before: Weaver, P.J., Michael J. Kelly and Marilyn Kelly, JJ.
[457]*457Weaver, P.J.
The motion for rehearing is granted and the unpublished opinions previously released on June 29, 1992 (Docket No. 139553), in this matter are withdrawn and are replaced by the accompanying expression of the Court’s view.
Plaintiff Mark Sobotka was injured in the course of his employment as an inspector at a Chrysler Corporation plant on May 26, 1978. An automobile moving along the production line collided with a stationary vehicle on which plaintiff was performing an inspection, striking his legs above and below the knees.
In its original August 8, 1986, decision, the Workers’ Compensation Appeal Board found plaintiff partially disabled, but awarded him full benefits to the extent of two-thirds of the difference between his actual postinjury wages and the wages he was earning at the time of injury.
On December 23, 1986, this Court peremptorily reversed and remanded to the appeal board, directing the board to determine the extent to which plaintiff’s earning capacity had been impaired, with instructions to fix the amount, in dollars and cents, of the weekly benefits accordingly due. This order was based on the board’s unappealed finding of partial disability, and cited in support Thayer v Britz, 234 Mich 645; 209 NW 50 (1926), and Barrett v Bohn Aluminum & Brass Co, 69 Mich App 636, 641; 245 NW2d 147 (1976).
On remand, the appeal board again awarded benefits equal to two-thirds of the difference between the wages plaintiff was earning before injury and after injury, his postinjury earnings at that time being zero. The board found that "there is no evidence in the record to indicate, that plaintiff has been able to find suitable work within his restrictions since he was laid off on January 17, [458]*4581979.” Again this Court peremptorily reversed, citing Thayer v Britz, supra, and Trask v Modern Pattern & Machine Co, 222 Mich 692, 697-699; 193 NW 830 (1923). That order directed the appeal board again to calculate, "in dollars and cents, the proportionate impairment of plaintiffs earning capacity attributable to his partial disability,” and noted that "plaintiffs post-injury earnings are merely one factor to be considered; the Appeal Board’s opinion and order of July 31, 1987 treats those post-injury earnings as the sole factor of relevance, contrary to the analysis set forth in Trask, supra.”
On second remand, the appeal board reviewed the medical and lay testimony, juxtaposing it with plaintiffs inability to find employment within his restrictions since the date of injury, leading the board to the following conclusion:
Based upon the fact that plaintiff has not been able to earn any wages after his January 17, 1979 layoff, the medical testimony of Dr. Larkin, Dr. Goldberg and Dr. Weisman concerning the nature and extent of plaintiff’s injuries, we find that plaintiff does suffer from a disability which severely limits his ability to engage [in] post-[injury] employment. We also find that plaintiff’s proportionate impairment in earning capacity attributed to his partial disability is two-thirds of $283.30 or $153 per week for two dependents.
That benefit rate is identical to the benefit rate' awarded in the appeal board’s two prior orders.
It is the last quoted decision of the appeal board that is before us for our determination. Initially, this Court again entered a peremptory order, affirming the determination that plaintiffs partial disability is two-thirds of $283.30. However, the remainder of the appeal board’s order was vacated on the basis of the following observation:
[459]*459Two-thirds of $283.30 is not $153, but $188.87. Pursuant to § 361(1), plaintiffs weekly disability benefit may not exceed two-thirds of his loss in average weekly wage, or $125.91. On remand, the Appeal Board shall determine plaintiff’s benefit level for two dependents, not to exceed $125.91.
The Supreme Court, however, vacated that order and remanded to this Court for plenary consideration. 437 Mich 953 (1991). We amend in part and affirm.
Fundamentally, this case proceeds on the basis that plaintiff is only partially disabled. Plaintiff has never sought to appeal the initial finding of partial disability, and when defendant attempted to allege total disability after first remand, this Court, in that respect, denied defendant’s second application for leave to appeal "for lack of merit in the grounds presented.” This Court’s first two orders have not been vacated by the Supreme Court, which vacated only this Court’s third peremptory order in the case, that of July 26, 1989. Sobotka v Chrysler Corp, 437 Mich 953 (1991). In other circumstances, the Supreme Court has vacated all prior orders of this Court, e.g., Murdock v Michigan Health Maintenance Organization, 434 Mich 851 (1990) ("[t]he decisions of the Court of Appeals are vacated and the case is remanded . . . ”). While at the Supreme Court level there is no law of this case, Raven v Wayne Co Bd of Comm’rs, 399 Mich 585, 588, n 1; 250 NW2d 477 (1977) (final paragraph), in contrast, in this Court our prior decisions, to the extent adjudicative facts remain substantially the same, do represent the law of the case, which we are not free to modify, the time for rehearing of those orders having expired. Johnson v White, 430 Mich 47, 53; 420 NW2d 87 (1988).
Under the doctrine of law of the case, therefore, [460]*460plaintiff is partially disabled, and the decisions in Trask, Thayer, and Barrett, supra, must be examined to determine how plaintiff’s benefit rate shall be calculated.
The appeal board, in this and in similar cases, recently joined by the appellate commission, takes the position that Trask and Thayer are either no longer good law, or, at most, apply only to situations in which the employee, after injury, can resume the identical job in which the employee was engaged at the time of injury. If the injury in any way limits the ability of the employee to do the same job, then on this theory partial disability becomes irrelevant, and the only limitation on employer liability is the employee’s dependency rate, the maximum rate set by statute, the average weekly wage, and any actual wages the employee is able to earn after injury, which become a setoff under § 371(1) of the Workers’ Disability Compensation Act, MCL 418.371(1); MSA 17.237(371X1).
This focus on the "job” in which the employee was working at the time of injury, rather than on the general field of employment, is erroneous. Miller v S Fair & Sons, 206 Mich 360, 365; 171 NW 380 (1919). Indeed, wherever the statute deals with compensating the injured employee for wage loss, the focus is on the "employment,” and not the particular job, that was being performed at the time of injury. Thus, § 371(1) of the Workers’ Disability Compensation Act of 1969, unchanged in relevant part from its predecessor, 1927 PA 376, MCL 412.11; MSA 17.161, provides:
The weekly loss in wages referred to in this act shall consist of the percentage of the average weekly earnings of the injured employee computed according to this section as fairly represents the [461]*461
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ON REHEARING
Before: Weaver, P.J., Michael J. Kelly and Marilyn Kelly, JJ.
[457]*457Weaver, P.J.
The motion for rehearing is granted and the unpublished opinions previously released on June 29, 1992 (Docket No. 139553), in this matter are withdrawn and are replaced by the accompanying expression of the Court’s view.
Plaintiff Mark Sobotka was injured in the course of his employment as an inspector at a Chrysler Corporation plant on May 26, 1978. An automobile moving along the production line collided with a stationary vehicle on which plaintiff was performing an inspection, striking his legs above and below the knees.
In its original August 8, 1986, decision, the Workers’ Compensation Appeal Board found plaintiff partially disabled, but awarded him full benefits to the extent of two-thirds of the difference between his actual postinjury wages and the wages he was earning at the time of injury.
On December 23, 1986, this Court peremptorily reversed and remanded to the appeal board, directing the board to determine the extent to which plaintiff’s earning capacity had been impaired, with instructions to fix the amount, in dollars and cents, of the weekly benefits accordingly due. This order was based on the board’s unappealed finding of partial disability, and cited in support Thayer v Britz, 234 Mich 645; 209 NW 50 (1926), and Barrett v Bohn Aluminum & Brass Co, 69 Mich App 636, 641; 245 NW2d 147 (1976).
On remand, the appeal board again awarded benefits equal to two-thirds of the difference between the wages plaintiff was earning before injury and after injury, his postinjury earnings at that time being zero. The board found that "there is no evidence in the record to indicate, that plaintiff has been able to find suitable work within his restrictions since he was laid off on January 17, [458]*4581979.” Again this Court peremptorily reversed, citing Thayer v Britz, supra, and Trask v Modern Pattern & Machine Co, 222 Mich 692, 697-699; 193 NW 830 (1923). That order directed the appeal board again to calculate, "in dollars and cents, the proportionate impairment of plaintiffs earning capacity attributable to his partial disability,” and noted that "plaintiffs post-injury earnings are merely one factor to be considered; the Appeal Board’s opinion and order of July 31, 1987 treats those post-injury earnings as the sole factor of relevance, contrary to the analysis set forth in Trask, supra.”
On second remand, the appeal board reviewed the medical and lay testimony, juxtaposing it with plaintiffs inability to find employment within his restrictions since the date of injury, leading the board to the following conclusion:
Based upon the fact that plaintiff has not been able to earn any wages after his January 17, 1979 layoff, the medical testimony of Dr. Larkin, Dr. Goldberg and Dr. Weisman concerning the nature and extent of plaintiff’s injuries, we find that plaintiff does suffer from a disability which severely limits his ability to engage [in] post-[injury] employment. We also find that plaintiff’s proportionate impairment in earning capacity attributed to his partial disability is two-thirds of $283.30 or $153 per week for two dependents.
That benefit rate is identical to the benefit rate' awarded in the appeal board’s two prior orders.
It is the last quoted decision of the appeal board that is before us for our determination. Initially, this Court again entered a peremptory order, affirming the determination that plaintiffs partial disability is two-thirds of $283.30. However, the remainder of the appeal board’s order was vacated on the basis of the following observation:
[459]*459Two-thirds of $283.30 is not $153, but $188.87. Pursuant to § 361(1), plaintiffs weekly disability benefit may not exceed two-thirds of his loss in average weekly wage, or $125.91. On remand, the Appeal Board shall determine plaintiff’s benefit level for two dependents, not to exceed $125.91.
The Supreme Court, however, vacated that order and remanded to this Court for plenary consideration. 437 Mich 953 (1991). We amend in part and affirm.
Fundamentally, this case proceeds on the basis that plaintiff is only partially disabled. Plaintiff has never sought to appeal the initial finding of partial disability, and when defendant attempted to allege total disability after first remand, this Court, in that respect, denied defendant’s second application for leave to appeal "for lack of merit in the grounds presented.” This Court’s first two orders have not been vacated by the Supreme Court, which vacated only this Court’s third peremptory order in the case, that of July 26, 1989. Sobotka v Chrysler Corp, 437 Mich 953 (1991). In other circumstances, the Supreme Court has vacated all prior orders of this Court, e.g., Murdock v Michigan Health Maintenance Organization, 434 Mich 851 (1990) ("[t]he decisions of the Court of Appeals are vacated and the case is remanded . . . ”). While at the Supreme Court level there is no law of this case, Raven v Wayne Co Bd of Comm’rs, 399 Mich 585, 588, n 1; 250 NW2d 477 (1977) (final paragraph), in contrast, in this Court our prior decisions, to the extent adjudicative facts remain substantially the same, do represent the law of the case, which we are not free to modify, the time for rehearing of those orders having expired. Johnson v White, 430 Mich 47, 53; 420 NW2d 87 (1988).
Under the doctrine of law of the case, therefore, [460]*460plaintiff is partially disabled, and the decisions in Trask, Thayer, and Barrett, supra, must be examined to determine how plaintiff’s benefit rate shall be calculated.
The appeal board, in this and in similar cases, recently joined by the appellate commission, takes the position that Trask and Thayer are either no longer good law, or, at most, apply only to situations in which the employee, after injury, can resume the identical job in which the employee was engaged at the time of injury. If the injury in any way limits the ability of the employee to do the same job, then on this theory partial disability becomes irrelevant, and the only limitation on employer liability is the employee’s dependency rate, the maximum rate set by statute, the average weekly wage, and any actual wages the employee is able to earn after injury, which become a setoff under § 371(1) of the Workers’ Disability Compensation Act, MCL 418.371(1); MSA 17.237(371X1).
This focus on the "job” in which the employee was working at the time of injury, rather than on the general field of employment, is erroneous. Miller v S Fair & Sons, 206 Mich 360, 365; 171 NW 380 (1919). Indeed, wherever the statute deals with compensating the injured employee for wage loss, the focus is on the "employment,” and not the particular job, that was being performed at the time of injury. Thus, § 371(1) of the Workers’ Disability Compensation Act of 1969, unchanged in relevant part from its predecessor, 1927 PA 376, MCL 412.11; MSA 17.161, provides:
The weekly loss in wages referred to in this act shall consist of the percentage of the average weekly earnings of the injured employee computed according to this section as fairly represents the [461]*461proportionate extent of the impairment of the employee’s earning capacity in the employments covered by this act in which the employee was working at the time of the personal injury. The weekly loss in wages shall be fixed as of the time of the personal injury, and determined considering the nature and extent of the personal injury.
This language, which goes back to the original Workmen’s Compensation Act of 1912, provides the basis for the later holdings in Trask and Thayer regarding partial disability.
In 1927 PA 376, the Legislature added the last sentence of what is now § 371(1) to what was then § 11(e) of the act, creating a credit for actual wages earned by the employee after the injury, irrespective of the nature of the employment in which those earnings are generated. This statutory offset appears to have eliminated most arguments, at least at the appellate level, over partial disability.1
[462]*462But the creation of this offset neither eliminated the concept of partial disability nor the statutory language on which the standards for determining partial disability were first predicated. Neither Trask nor Thayer has been overruled by the Supreme Court, nor are we able to find any language in the legislation, then or now,* 2 that undermines the core of the Trask doctrine.
However, in applying Trask, it is important to focus on the employment in which the employee was engaged at the time of injury. If the employee was engaged in skilled employment, and is totally disabled in skilled employment but only partially disabled with respect to other employments, full benefits must be paid, irrespective of postinjury wage earning capacity in some other field of employment. MacDonald v Great Lakes Steel Corp, 268 Mich 591, 594-595; 256 NW 558 (1934). In MacDonald', the plaintiff was a carpenter who became totally disabled from carpentry work on account of a work-related injury. He was thereafter provided unskilled employment by the same employer as a watchman. The Supreme Court held Trask inapplicable to that situation, given total disability in the employee’s skilled employment as a carpenter, notwithstanding wage-earning capacity in some new field of employment.
This carried forward the doctrine of Foley v Detroit United Railway, 190 Mich 507, 515; 157 NW 45 (1916), and Geis v Packard Motor Car Co, 214 Mich 646; 183 NW 916 (1921), in both of which [463]*463the respective plaintiff suffered total disability as a result of an injury in the course of employment in a skilled trade. Later acquisition of a new skill— before the offset for actual earnings, irrespective of the field of employment, by virtue of 1927 PA 376 —was in those cases held irrelevant to the employee’s right to a continuing award of benefits for loss of wage-earning capacity in the original field of skilled employment.
In the present case, the appeal board failed to determine whether plaintiff was engaged in skilled or unskilled employment. However, that is only a background issue; the appeal board has now determined, without objection from plaintiff, that the proportionate extent of his impairment in the field of employment in which he was engaged at the time of injury is two-thirds. The appeal board appears to have taken into consideration plaintiff’s efforts, and lack of success, in obtaining substitute employment, which is, as suggested in this Court’s vacated peremptory order of July 26, 1989, previously discussed, a relevant, but not controlling, consideration. Roxbury v Weidman Lumber Co, 268 Mich 596; 256 NW 560 (1934); Langkill v Robins Conveying Belt Co, 279 Mich 81, 86; 271 NW 560 (1937). The fact that plaintiff has not found new employment is not controlling, because:
"The applicability of § 361 does not hinge on whether the employee has actually returned to some form of work. Section 361(1) refers to 'the after tax average weekly wage which the injured employee is able to earn after the personal injury.’ It includes not only wages actually earned after the injury, but also any the employee has the capacity to earn. Frammolino v Richmond Products Co, 79 Mich App 18, 26-27; 260 NW2d 908 (1977). The Michigan Supreme Court has ruled that to hold otherwise would encourage malingering. Compensation is not a pension. Hood v Wyandotte Oil & Fat Co, 272 Mich 190, 192: 261 NW [464]*464295 (1935).” [Juneac v ITT Hancock Industries, 181 Mich App 636, 641; 450 NW2d 22 (1989).]
We therefore affirm the appeal board’s factual determination, as being supported by at least the requisite scintilla of evidence, Const 1963, art 6, § 28; MCL 418.861; MSA 17.237(861), that the proportionate extent of plaintiffs earning capacity, in light of all relevant factors, is two-thirds of his average weekly wage at the time of injury. As the average weekly wage at the time of injury was $283.30, the two-thirds average, weekly wage loss as determined by the appeal board translates to $189.3 4 Pursuant to § 361(1), plaintiffs weekly disability benefit may not exceed two-thirds of his loss in average weekly wage, or $126.
The Bureau of Workers’ Disability Compensation, under the auspices of the Legislative Service Bureau of the Department of Labor, publishes an annual paperback book that includes a current version of the Workers’ Disability Compensation Act of 1969, administrative rules adopted thereunder, and a set of tables, one of which shows weekly compensation rates, maxima and minima, at various dependency levels for dates of injury occurring [465]*465in each year beginning in 1973. As we understand the table, for this plaintiff, who was injured in 1978, the minimum benefit rate at the zero dependency level is $105; the maximum rate with five or more dependents is $171 per week. Because the $126 we have calculated as plaintiff’s proper benefit level is between these numbers, it appears to us that the question of the dependency of plaintiff’s wife, which was never properly determined in this case pursuant to Day v W A Foote Memorial Hosp, 412 Mich 698; 316 NW2d 712 (1982), -will not affect plaintiff’s benefit level, and is therefore not relevant. Should future events make this a relevant issue, the parties may return to the bureau for a Rule 10, 1979 AC, R 408.40(4), hearing.
The June 10, 1989, order of the Workers’ Compensation Appeal Board in this cause is modified in accordance with the foregoing provisions of this opinion. The Workers’ Compensation Appeal Board’s determination — that plaintiff’s proportionate extent of impairment of earning capacity in the employment in which he was working at the time of injury is two-thirds — is affirmed; defendant shall pay plaintiff benefits at the rate of $126 a week less any applicable credit for wages actually earned pursuant to § 371(1), until further order of the bureau. All past due benefits shall bear interest at the rate of ten per cent a year from the date each payment was due until paid, pursuant to MCL 418.801(6); MSA 17.237(801X6).
Affirmed as modified.
Michael J. Kelly, J., concurred.
3 The dissent contends that the "majority opinion requires opposing experts to testify concerning jobs available within the injured employee’s limitations. It requires the parties to search for an abstract residual wage-earning capacity which will tend to remain at best elusive.” Irrespective of the fact that equivalent proof problems attend most personal injury litigation when the question of damages is addressed, and overlooking the fact that a similar calculus is now codified under amendments of § 301 of the wdca, particularly § 301(5)-(8), the alternative is instead to treat every unemployed partially disabled worker as totally disabled, and to treat the fact of unemployment as the functional equivalent of unemployability for workers’ compensation purposes. In terms of adverse practical consequences, we do not hesitate to prefer complicating the factfinder’s job to overburdening the debit side of the workers’ compensation economic ledger.