PALMER, J.
The principal issue raised by this certified appeal is whether the construction of General Statutes § 38a-336 (e)1 that we adopted in American Motorists Ins. Co. v. Gould, 213 Conn. 625, 569 A.2d 1105 (1990), and Covenant Ins. Co. v. Coon, 220 Conn. 30, 594 A.2d 977 (1991),2 was erroneous and should be abandoned. Because we conclude that neither Gould nor Coon was wrongly decided we decline to overrule them.
[320]*320The following facts are undisputed. The plaintiff, James Lash, is the administrator of the estate of Michael Lash, who was killed on October 21,1988, while he was a passenger in a vehicle that was struck head-on by a vehicle driven by Mark Rondo. Rondo and the operator of the vehicle occupied by Lash, the plaintiffs decedent, were also killed, and several passengers in each of the two vehicles sustained injuries. Rondo’s vehicle was covered by a $500,000 liability policy under which the plaintiff received payments totaling $118,373.50. The remainder of Rondo’s liability coverage was exhausted by other injured claimants.
The plaintiffs decedent was insured under certain underinsured motorist policies issued by the defendant insurance carriers. The defendants and the amount of underinsured motorist coverage provided by each include: Aetna Casualty and Surety Company, $500,000; Allstate Insurance Company, $200,000; Hartford Casualty Insurance Company, $100,000; Liberty Mutual Insurance Company, $25,000; and General Accident Insurance Company, $20,000.3 The plaintiff, in his capacity as administrator, sought recovery under each of these policies, and the claim was submitted to arbitration.4 The arbitration panel, following our decisions in Covenant Ins. Co. v. Coon, supra, 220 Conn. 30, and American Motorists Ins. Co. v. Gould, supra, 213 Conn. 625, concluded that the plaintiff was not entitled to underinsured motorist benefits under any one of the policies issued by the defendants because none of them contained underinsured motorist limits greater than the [321]*321liability limits of Rondo’s policy.5 The trial court, DeMayo, J., denied the plaintiffs application to vacate the arbitration award and rendered judgment for the defendants. The Appellate Court, in a per curiam decision, affirmed the judgment of the trial court;6 Lash v. Aetna Casualty & Surety Co., 36 Conn. App. 623, 652 A.2d 526 (1995); and this certified appeal followed.7 We now affirm the judgment of the Appellate Court.
I
The plaintiff maintains that he is eligible to recover underinsured motorist benefits up to $845,000 under [322]*322the policies issued by the defendants. The plaintiffs contention is predicated on two separate but interrelated claims: first, a tortfeasor is underinsured within the meaning of § 38a-336 (e) if the limits of the tortfeasor’s liability insurance are less than the total amount of underinsured motorist coverage available to the claimant; and second, a claimant is eligible for underinsured motorist benefits if the payments actually received by the claimant under the tortfeasor’s policy are less than the limits of the claimant’s underinsured motorist coverage. The plaintiff concedes that his first claim is foreclosed by our holding in Coon,8 and that his second claim is foreclosed by our holding in Gould.9 [323]*323He asserts, however, that both of those decisions were wrongly decided and should be overruled.10 We disagree.
A
We address the plaintiffs second claim first because it requires little discussion. In Florestal v. Government Employees Ins. Co., 236 Conn. 299, 673 A.2d 474 (1996), also released today, we rejected an argument identical to the plaintiffs claim that our holding in American Motorists Ins. Co. v. Gould, supra, 213 Conn. 625, should be abandoned. For the reasons set forth in Florestal, we reaffirm the construction of § 38a-336 (e) that was adopted by this court in Gould.
B
The plaintiff also asserts that we should overrule Covenant Ins. Co. v. Coon, supra, 220 Conn. 30, in which we concluded that underinsured motorist coverage under separate policies covering the claimant may not be aggregated or “stacked” for purposes of determining whether a vehicle is underinsured within the meaning of § 38a-336 (e). At the outset, we note that principles of stare decisis militate against the plaintiffs claim that we should abandon our holding in Coon. “Stare decisis, although not an end in itself, serves the important function of preserving stability and certainty in the law. Accordingly, a court should not overrule its earlier decisions unless the most cogent reasons and inescapable [324]*324logic require it. . . . This is especially true when the precedent involved concerns the interpretation or construction of a statute.” (Internal quotation marks omitted.) Florestal v. Government Employees Ins. Co., supra, 236 Conn. 305.
In Coon, the tortfeasor was insured under a liability policy that provided coverage of $25,000 per person and $50,000 per accident. The claimant was insured under two separate uninsured motorist policies, one that provided $20,000 of underinsured motorist coverage and another with underinsured motorist limits of $50,000. In concluding that § 38a-336 (e) unambiguously prohibited the aggregation of the underinsured motorist limits of the two policies in determining whether the tortfeasor’s vehicle was underinsured, we explained that “[t]he application of § 38a-336 requires two distinct steps: (1) determining whether a vehicle is in fact under-insured, so that coverage is available; and (2) calculating the amount of the actual award due the victim.” Covenant Ins. Co. v. Coon, supra, 220 Conn. 36. As to the first step, we concluded that while § 38a-336 “does not prohibit stacking of coverage in determining the total amount of the award due the victim . . . [t]he statute is unequivocal, however, in establishing the mechanism for determining whether a vehicle is under-insured, and it specifically limits consideration of underinsured motorist coverage to each policy separately.” Id., 37. Thus, “the analysis directed by § 38a-336 requires a comparison between the aggregate of liability limits available to the victim against the under-insured motorist limits in each single policy against which the victim has a claim.”11 (Emphasis added.) Id., 36.
[325]*325The plaintiff claims, contrary to our conclusion in Coon, that § 38a-336 (e) is not clear on its face and, therefore, that our reliance on the statutory language was misplaced.
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PALMER, J.
The principal issue raised by this certified appeal is whether the construction of General Statutes § 38a-336 (e)1 that we adopted in American Motorists Ins. Co. v. Gould, 213 Conn. 625, 569 A.2d 1105 (1990), and Covenant Ins. Co. v. Coon, 220 Conn. 30, 594 A.2d 977 (1991),2 was erroneous and should be abandoned. Because we conclude that neither Gould nor Coon was wrongly decided we decline to overrule them.
[320]*320The following facts are undisputed. The plaintiff, James Lash, is the administrator of the estate of Michael Lash, who was killed on October 21,1988, while he was a passenger in a vehicle that was struck head-on by a vehicle driven by Mark Rondo. Rondo and the operator of the vehicle occupied by Lash, the plaintiffs decedent, were also killed, and several passengers in each of the two vehicles sustained injuries. Rondo’s vehicle was covered by a $500,000 liability policy under which the plaintiff received payments totaling $118,373.50. The remainder of Rondo’s liability coverage was exhausted by other injured claimants.
The plaintiffs decedent was insured under certain underinsured motorist policies issued by the defendant insurance carriers. The defendants and the amount of underinsured motorist coverage provided by each include: Aetna Casualty and Surety Company, $500,000; Allstate Insurance Company, $200,000; Hartford Casualty Insurance Company, $100,000; Liberty Mutual Insurance Company, $25,000; and General Accident Insurance Company, $20,000.3 The plaintiff, in his capacity as administrator, sought recovery under each of these policies, and the claim was submitted to arbitration.4 The arbitration panel, following our decisions in Covenant Ins. Co. v. Coon, supra, 220 Conn. 30, and American Motorists Ins. Co. v. Gould, supra, 213 Conn. 625, concluded that the plaintiff was not entitled to underinsured motorist benefits under any one of the policies issued by the defendants because none of them contained underinsured motorist limits greater than the [321]*321liability limits of Rondo’s policy.5 The trial court, DeMayo, J., denied the plaintiffs application to vacate the arbitration award and rendered judgment for the defendants. The Appellate Court, in a per curiam decision, affirmed the judgment of the trial court;6 Lash v. Aetna Casualty & Surety Co., 36 Conn. App. 623, 652 A.2d 526 (1995); and this certified appeal followed.7 We now affirm the judgment of the Appellate Court.
I
The plaintiff maintains that he is eligible to recover underinsured motorist benefits up to $845,000 under [322]*322the policies issued by the defendants. The plaintiffs contention is predicated on two separate but interrelated claims: first, a tortfeasor is underinsured within the meaning of § 38a-336 (e) if the limits of the tortfeasor’s liability insurance are less than the total amount of underinsured motorist coverage available to the claimant; and second, a claimant is eligible for underinsured motorist benefits if the payments actually received by the claimant under the tortfeasor’s policy are less than the limits of the claimant’s underinsured motorist coverage. The plaintiff concedes that his first claim is foreclosed by our holding in Coon,8 and that his second claim is foreclosed by our holding in Gould.9 [323]*323He asserts, however, that both of those decisions were wrongly decided and should be overruled.10 We disagree.
A
We address the plaintiffs second claim first because it requires little discussion. In Florestal v. Government Employees Ins. Co., 236 Conn. 299, 673 A.2d 474 (1996), also released today, we rejected an argument identical to the plaintiffs claim that our holding in American Motorists Ins. Co. v. Gould, supra, 213 Conn. 625, should be abandoned. For the reasons set forth in Florestal, we reaffirm the construction of § 38a-336 (e) that was adopted by this court in Gould.
B
The plaintiff also asserts that we should overrule Covenant Ins. Co. v. Coon, supra, 220 Conn. 30, in which we concluded that underinsured motorist coverage under separate policies covering the claimant may not be aggregated or “stacked” for purposes of determining whether a vehicle is underinsured within the meaning of § 38a-336 (e). At the outset, we note that principles of stare decisis militate against the plaintiffs claim that we should abandon our holding in Coon. “Stare decisis, although not an end in itself, serves the important function of preserving stability and certainty in the law. Accordingly, a court should not overrule its earlier decisions unless the most cogent reasons and inescapable [324]*324logic require it. . . . This is especially true when the precedent involved concerns the interpretation or construction of a statute.” (Internal quotation marks omitted.) Florestal v. Government Employees Ins. Co., supra, 236 Conn. 305.
In Coon, the tortfeasor was insured under a liability policy that provided coverage of $25,000 per person and $50,000 per accident. The claimant was insured under two separate uninsured motorist policies, one that provided $20,000 of underinsured motorist coverage and another with underinsured motorist limits of $50,000. In concluding that § 38a-336 (e) unambiguously prohibited the aggregation of the underinsured motorist limits of the two policies in determining whether the tortfeasor’s vehicle was underinsured, we explained that “[t]he application of § 38a-336 requires two distinct steps: (1) determining whether a vehicle is in fact under-insured, so that coverage is available; and (2) calculating the amount of the actual award due the victim.” Covenant Ins. Co. v. Coon, supra, 220 Conn. 36. As to the first step, we concluded that while § 38a-336 “does not prohibit stacking of coverage in determining the total amount of the award due the victim . . . [t]he statute is unequivocal, however, in establishing the mechanism for determining whether a vehicle is under-insured, and it specifically limits consideration of underinsured motorist coverage to each policy separately.” Id., 37. Thus, “the analysis directed by § 38a-336 requires a comparison between the aggregate of liability limits available to the victim against the under-insured motorist limits in each single policy against which the victim has a claim.”11 (Emphasis added.) Id., 36.
[325]*325The plaintiff claims, contrary to our conclusion in Coon, that § 38a-336 (e) is not clear on its face and, therefore, that our reliance on the statutory language was misplaced. The plaintiff further asserts that our construction of § 38a-336 (e) does not accurately reflect the intent of the legislature because it leads to results that are incompatible with the purpose underlying the enactment of our uninsured and underinsured motorist statutes. We are not persuaded by the plaintiffs arguments.
As in every case involving the construction of a statute, we begin our analysis with a review of the pertinent statutory language. The plaintiffs assertion to the contrary notwithstanding, there is nothing ambiguous in the language of § 38a-336 (e): the word “policies” refers to the insurance carried by the tortfeasor and the word “policy” refers to the underinsured motorist coverage available to the claimant. We cannot assume that the legislature, in enacting a statutory provision that uses a particular word in the plural and then the same word in the singular, intended for two different words to have the same meaning, especially when, as here, the two different terms are used in the same sentence and refer to two different things. We must presume, rather, that the legislature’s use of the singular in referring to the “uninsured motorist portion of the policy against which claim is made” and its use of the plural in referring to “the sum of the limits of liability under all bodily injury liability bonds and insurance policies” was deliberate and purposeful. (Emphasis added.) General Statutes § 38a-336 (e). We see no basis, therefore, to conclude that § 38a-336 (e) is not clear on its face.
The plaintiff contends that even if § 38a-336 (e) is unambiguous, we must resort to other aids to ascertain the intent of the legislature because a literal interpretation of that subsection leads to unfair and arbitrary results. See, e.g., State v. Cain, 223 Conn. 731, 744, 613 [326]*326A.2d 804 (1992) (“even if a statute is clear on its face, if a literal interpretation of that statute would lead to unworkable results, resort to other aids to determine legislative intent is appropriate”). The plaintiff offers several hypothetical fact patterns to support his argument that our holding in Coon leads to unjust results. For example, he posits a case in which two insureds, A and B, sustain injuries in an automobile accident that is caused by a tortfeasor with $150,000 of liability insurance. Both A and B have underinsured motorist coverage totaling $200,000, but A is covered under a single policy with underinsured motorist limits of $200,000 and B is covered under two policies with underinsured motorist limits of $100,000 each. Under Coon, A is eligible for underinsured motorist benefits because the limits of his underinsured motorist policy are greater than the limits of the tortfeasor’s liability policy. By contrast, B is not eligible to recover underinsured motorist benefits because the limits of the tortfeasor’s liability policy are greater than the limits of each of the underinsured motorist policies under which B is covered. The plaintiff claims that since both A and B have the same amount of underinsured motorist coverage available to them, this result is unfair and, therefore, our interpretation of § 38a-336 (e) must be contrary to the intent of the legislature. We are not persuaded that our holding in Coon is inconsistent with the legislative intent underlying the enactment of § 38a-336.
The plaintiff asserts that the pertinent “legislative history . . . clearly demonstrates that the uninsured and underinsured motorist statutes were intended to ensure that victims of automobile accidents receive full financial redress for their injuries.” The plaintiffs claim overstates the objective of the legislature in providing for underinsured motorist coverage. Contrary to the assertion of the plaintiff, “the purpose of underinsured motorist coverage is neither to guarantee full compen[327]*327sation for a claimant’s injuries nor to ensure that the claimant will be eligible to receive the maximum payment available under any applicable policy.” Florestal v. Government Employees Ins. Co., supra, 236 Conn. 310. It is, rather, “to give a personal injury claimant access to insurance protection to compensate for the damages that would have been recoverable if the under-insured motorist had maintained an adequate policy of liability insurance. Bodner v. United Services Automobile Assn., 222 Conn. 480, 499, 610 A.2d 1212 (1992); Harvey v. Travelers Indemnity Co., 188 Conn. 245, 249, 449 A.2d 157 (1982).” (Emphasis added.) Smith v. Safeco Ins. Co. of America, 225 Conn. 566, 573, 624 A.2d 892 (1993). Section 38a-336 furthers this legitimate public policy even though certain inequities may arise in some underinsured motorist cases and some accident victims with underinsured motorist coverage will be denied satisfactory compensation for their injuries. See Florestal v. Government Employees Ins. Co., supra, 236 Conn. 310-11. Thus, any anomalous situation created by our construction of § 38a-336 (e) must be remedied by “legislative consideration and action rather than . . . by judicial fiat.” Simonette v. Great American Ins. Co., 165 Conn. 466, 473, 338 A.2d 453 (1973).
Indeed, the legislature has responded to our decision in Coon in a manner that strongly supports the conclusion that Coon was correctly decided. In 1993, the legislature enacted the Automobile Insurance Reform Act; Public Acts 1993, No. 93-297 (P.A. 93-297); which, among other things, eliminated stacking of underinsured motorist coverage for all purposes.12 See General [328]*328Statutes § 38a-336 (d).13 Although P.A. 93-297 is not applicable to this case,14 it is apparent that the legislature, in considering the very issue that we addressed in Coon, validated, rather than overruled, our construction of § 38a-336 (e). For us to renounce our holding in Coon after the legislature has signalled its approval of the construction of § 38a-336 (e) that we adopted therein would be contrary to the fundamental objective of statutory construction, namely, “to ascertain and give effect to the apparent intent of the legislature. ” (Internal quotation marks omitted.) Fleming v. Garnett, 231 Conn. 77, 92, 646 A.2d 1308 (1994).
In light of the clearly expressed intent of the legislature, “we are constrained to adhere to our holding in [Coon] despite the unfortunate fact that, under [Coon], some accident victims with underinsured motorist coverage will be denied satisfactory compensation for their injuries.” Florestal v. Government Employees Ins. Co., [329]*329supra, 236 Conn. 310-11. Accordingly, the plaintiffs claim must fail.15
II
The plaintiff also claims that § 38a-336 (e), as construed in American Motorists Ins. Co. v. Gould, supra, 213 Conn. 625, and Covenant Ins. Co. v. Coon, supra, 220 Conn. 30, and as applied to the facts of this case, violates the equal protection clauses of the fourteenth amendment to the United States constitution and article first, § 20, of the Connecticut constitution.16 In Florestal [330]*330v. Government Employees Ins. Co., supra, 236 Conn. 313-16, we have today considered, and rejected, a constitutional challenge identical in all material respects to the equal protection claim raised by the plaintiff. We reject the plaintiffs claim for the same reasons that we enumerated in Florestal.
The judgment is affirmed.
In this opinion BORDEN, KATZ and LANDAU, Js., concurred.