• Title/Summary/Keyword: Warranties

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Repair-Replacement Strategies for Warranted Items with Phase-Type Lifetimes (PH 수명분포를 갖는 보증제품의 수리-교체 전략)

  • Kim, Ho-Gyun;Rao, B. Madhu;Bae, Chang-Ok;Kim, Seung-Chul
    • Journal of Korean Institute of Industrial Engineers
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    • v.31 no.4
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    • pp.341-348
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    • 2005
  • This paper is concerned with the question of servicing warranties for repairable items. During the warranty period, each time an item fails the manufacturer has the obligation to restore the item to operational condition either by repairing the item or by replacing it with a new item. In this paper, we consider repair-replacement strategies based on the condition of the failed item. For products with phase-type lifetime distributions where the phases represent the condition of the item, we develop algorithms to determine the expected cost of servicing a warranty and use it in making the repair-replacement decision. Illustrative numerical examples are presented. We also propose a dynamic strategy by taking the expected remaining warranty cost into consideration.

Warranty Servicing Cost Analysis Using Phase-Type Lifetime Distributions (Phase-Type 분포를 이용한 보증서비스 비용 분석)

  • 김호균;백천현;조형수
    • Journal of the Korean Operations Research and Management Science Society
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    • v.25 no.3
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    • pp.41-48
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    • 2000
  • We consider the question of warranties for repairable items. During the warranty period, each time an item fails the manufacturer has the obligation to restore the item to operational condition either by repairing the item or by replacing it by a new item. In this paper, we consider a warranty policy for making this decision based on the condition of the failed item. For products with phase-type lifetime distributions where the phases represent the condition of the item, we develop algorithms to determine the expected cost of servicing a warranty and use it in making the repair/replacement decision. illustrative numerical examples are presented.

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Warranty Cost Models for a Second-Hand Products

  • Kim, Che-Soong
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.22 no.53
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    • pp.1-12
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    • 1999
  • A warranty cost analysis for new products have received a lot of attention. In contrast, there is hardly any literature on similar analysis for second-hand products. The market of second-hand products has been increasing and along with that the importance of warranties for second-hand products has also been increasing. However, warranty policies similar to new products are not economically acceptable to dealers. One needs to formulate new warranty policies and models to estimate expected warranty costs for second-hand products. This paper proposes one-dimensional cost sharing warranty policies and develops models at system level to analysis warranty cost for second-hand products sold with these policies.

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Cost Models for Warranty and Preventive Maintenance

  • Kim, Che-Soong
    • Journal of Korea Society of Industrial Information Systems
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    • v.7 no.1
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    • pp.66-74
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    • 2002
  • Warranty cost analysis for one-dimensional warranties assumes that the usage intensity (or rate) is the same for all buyers. In real life the usage intensity varies across the population of buyers. Also for products sold with warranty, preventive maintenance actions by manufacturers and buyers have a significant impact on the total costs for both parties. In this paper we deals with models to study the expected warranty cost for products with free repairable warranty with varying usage intensity and three types of preventive maintenance. We also review the literature which links warranty and maintenance and develops a framework to define new topics for research in the future and examines a new model formulation. It then develops a new model and carries out its analysis.

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A Study on Warranty in The Insurance Act 2015 (영국 2015년 보험법 상 담보(워런티)에 관한 연구)

  • SHIN, Gun-Hoon;LEE, Byung-Mun
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.73
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    • pp.65-90
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    • 2017
  • The rule of warranty in English insurance law was established in the second part of the $18^{th}$ century by Lord Mansfield, who laid the foundations of the modern English law of insurance contract and developed very different rule of insurance law, especially in the field of warranty. At the time of Lord Mansfield, warranty, that is, the promise given by the assured, played an important role for the insurer to assess the scope of the risk. Legal environments, however, have changed since the age of Lord Mansfield. English and Scottish Commissions proposed very dramatic reform of law in the field of warranty law to reflect the changes of legal environment through the Insurance Act 2016. This article intends to consider the legal implications through the comparative analysis between the new regime of warranty in the Insurance Act 2015 and MIA 1906. The major changes in the Insurance Act 2015 are summarized as following. First, Basis of the contract clauses in non-consumer insurance contracts should be of no effect and representations should not be capable of being converted into warranties by means of a policy term or statement on the proposal form. This requirement should not be capable of being avoided by the use of a contract term and the arrangement of contracting out by parties should be of no effect. Secondly, The existing remedy for breach of warranty, that is, automatic discharge of the insurer's liability, should be removed. Instead, the insurer's libility should be suspended from the point of breach of warranty and reattach if and when a breach of warranty has been remedies. Thirdly, A breach of warranty should genally be regarded as remedied where the insured ceases to be in breach of it. In the other hand, for time-specific warranties which apply at or by an ascertainable time, a breach should be regarded as remedies, if the risk to which the warranty relates later, becomes essentially the same as that originally contemplated by the parties. Fourthly, where a term of an insurance contract relates to a particular kind of loss, or loss at a particular location/time, the breach of that term should only give the remedy in relation to loss of that particular kind of loss, or at a particular location/time. Finally, whether a term of an insurance contrat relates to loss of a particular kind of at a particular location/time should be determined objectively, based on whether compliance with that ther would tend to reduce the risk of the occurrence of that category of loss.

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A Study on the Ship's Seaworthiness Under the Marine Cargo Insurance Policy (해상적하보험계약의 선박의 감항성담보에 관한 연구)

  • Kim, Jae-Woo
    • The Journal of Information Technology
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    • v.8 no.2
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    • pp.27-42
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    • 2005
  • The S.G. Policy form contains the words "the good ship or vessel called the.....". The words "good ship" mean that the ship is deemed to be seaworthy at the commencement of the voyage and this was very necessary in the day when a separate policy was issued for each voyage. In fact the warranty do seaworthiness still applies to all voyage policies. Nevertheless, the law does not apply an absolute warranty of seaworthiness to a time policy, so a ship is not required to be seaworthy at the time the hull policy is effected. The implied warranty of seaworthiness does not extend to good, for the underwriter is not responsible for their condition, apart fro the action of the perils insured against. The implied warranty of seaworthiness is limited to the vessel herself, and does not extend to a lighter or other craft used to convey the goods to the ship. The underwriters waive any breach of the implied warranties of the seaworthiness of the ship and fitness of the ship to carry the subject-matter insured to destination, unless the assured or their servants are privy to such unseaworthiness of unfitness.

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A Study on the Liabilities of Wrongful Dishonor of the Issuing Bank in UCC (미국 UCC상 신용장 발행은행의 부당한 지급불이행의 책임에 관한 연구)

  • Bae, Jung-Han
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.22
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    • pp.71-106
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    • 2004
  • Todays, L/C transactions in international trade are governed by UCP 500 and eUCP. But UCP 500 and eUCP do not cover all legal problem of L/C transactions. Therefore choice of laws in international L/C transactions are occurred. U.S.A. has an enacted law (UCC ${\S}5-Letter$ of Credit) to govern L/C transaction. But other countries has no special enacted law to govern L/C transaction. The reason is that there are difference between legal attitude of U.S.A. and other countries. American law considers L/C as a special device made by merchants. Therefore U.S.A. applies UCC ${\S}5-Letter$ of Credit instead of general contract law. UCC ${\S}5-Letter$ of Credit includes provisions of warranties, remedies, and so on that UCP 500 and eUCP do not include. But the liabilities of the Issuing Bank on the wrongful dishonor in L/C transaction is very important legal problem. First, this study is to justify concepts of honor and dishonor, and sufficient conditions for dishonor of the issuing bank. in UCC. Second, this study is to examine closely the liabilities of the Issuing Bank on the wrongful dishonor in L/C transaction. Third, this study is suggest distinctive features on the Liabilities to wrongful dishonor of the issuing bank in UCC ${\S}5-Letter$ of Credit and our trader's matters to be attended to L/C transactions governed by UCC.

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A Study on the License Agreement of digital information - focusing on the UCITA - (디지털정보의 사용허락계약)

  • Han, Byoung-Wan;Seo, Min-Kyo
    • International Commerce and Information Review
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    • v.11 no.1
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    • pp.45-66
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    • 2009
  • Licensing of information is the standard of the computer information business today. The huge bulk of vendors license their computer information products. The Uniform Computer Information Transactions Act(UCITA), therefore, does not originate licensing contracts. UCITA was developed to provide basic, recognizable default rules for the existing licensing activity that goes on and expands as commerce in computer information expands. UCITA's rules govern licensing of contracts for computer information from formation through performance, including remedies if there is a breach of contract. Included in UCITA are rules for warranties, both implied and express, and rules pertaining to risk of loss in a computer information transaction. Most of the rules in UCITA are the traditional and familiar rules of contract from the law of sales and from the common law, but adapted to the special nature of computer information licensing contracts. Freedom of contract is a dominating underlying policy for UCITA, exactly as that principle is the foundation for the law of commercial transactions, generally, and exactly as that law has served all commercial transactions in the United States and has contributed to the economic growth and health of the United States.

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Legal Issues in Application of the ISPS Code under Marine Cargo Insurance (해상적하보험에서 국제선박 및 항만시설 보안규칙의 적용상 법률적 쟁점)

  • Lee, Won-Jeong;Yoo, Byung-Ryong
    • Journal of the Korea Safety Management & Science
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    • v.16 no.3
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    • pp.307-316
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    • 2014
  • In view of the increased threat arising terrorism, the International Maritime Organization(IMO) adopted the International Ship and Port Facility Security Code (ISPS Code) which attached to the SOLAS Convention. The ISPS Code requires a comprehensive set of measures to enhance the security of ships and port facilities. For example, a shipowner must obtain the International Ship Security Certificate(ISSC). If the carrying vessel has not ISSC, the ship may be detained by the contracting governments. The Joint Cargo Committee(JCC) in London adopted the Cargo ISPS Endorsement, in which the assured who knowingly ships the cargoes on a non-ISPS Code compliant vessel will have no cover. However, where there is no the Cargo ISPS Endorsement in a Marine Cargo Insurance Policy and the cargo is carried by a non-ISPS Code certified vessel, the legal problem is whether or not it would constitute a breach of an implied warranty of seaworthiness and/or an implied warranty of legality. The purpose of this article is to analyze the potential legal issue on the relations between non-ISPS Code compliant vessel and two implied warranties under Marine Insurance Act(1906) in U.K.

ESTABLISHMENT OF CONSTRUCTION INDUSTRY CREDIT GUARANTEE SYSTEM-BASED ON TAIWAN'S CONSTRUCTION INDUSTRY

  • Ting-Ya Hsieh;Tsung-Shi Liu
    • International conference on construction engineering and project management
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    • 2011.02a
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    • pp.399-406
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    • 2011
  • Various construction bonds and warranties critically burden the general contractor. Also, sporadic or cumulative delays of progress payment by the owner can further trap the contractor in a financial quagmire. Facing the possibility of cash flow deficiency and callous response from the banks, most construction firms may become financially incapable of market competition, and attractive project tenders become a bidding game among few deep-pocket players. The downside of such market environment is that the depth of pocket, rather than that of professional competency dictates the choice of market winners. In Taiwan, this has been a potential crisis to the construction industry after the financial crisis which started out since 2008. To encounter this problem, this research will examine the means to better manage the construction industry. Essentially, a credit guarantee system (CGS) is the prime solution to strengthen a bank's confidence in any particular construction firm. Thus establishing a national platform which evaluates and rewards a construction firm's overall credibility is pivotal, and this third-party rated credit can help a bank to render a loan more wisely. Finally, this paper will propose the ideal operating schemes of construction-specific CGS in Taiwan and a credit scoring prototype model for construction industry, as reference for the government and banks, respectively.

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