SPRINGER BRIEFS IN OPERATIONS MANAGEMENT Shuo Zeng Moshe Dror Formulating Principal-Agent Service Contracts for a Revenue Generating Unit SpringerBriefs in Operations Management SeriesEditor SureshP.Sethi SchoolofManagement TheUniversityofTexasatDallas Richardson,TX,USA Moreinformationaboutthisseriesathttp://www.springer.com/series/13082 Shuo Zeng • Moshe Dror Formulating Principal-Agent Service Contracts for a Revenue Generating Unit 123 ShuoZeng MosheDror EllerCollegeofManagement EllerCollegeofManagement UniversityofArizona UniversityofArizona Tucson,AZ,USA Tucson,AZ,USA SpringerBriefsinOperationsManagement ISBN978-3-319-18671-9 ISBN978-3-319-18672-6 (eBook) DOI10.1007/978-3-319-18672-6 LibraryofCongressControlNumber:2015942238 SpringerChamHeidelbergNewYorkDordrechtLondon ©SpringerInternationalPublishingSwitzerland2016 Thisworkissubjecttocopyright.AllrightsarereservedbythePublisher,whetherthewholeorpartof thematerialisconcerned,specificallytherightsoftranslation,reprinting,reuseofillustrations,recitation, broadcasting,reproductiononmicrofilmsorinanyotherphysicalway,andtransmissionorinformation storageandretrieval,electronicadaptation,computersoftware,orbysimilarordissimilarmethodology nowknownorhereafterdeveloped. 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Printedonacid-freepaper SpringerInternationalPublishingAGSwitzerlandispartofSpringerScience+BusinessMedia(www. springer.com) Contents 1 Introduction .................................................................. 1 2 TheBasicPrincipal-Agent.................................................. 3 2.1 ContractualRelationshipBetweenaPrincipalandanAgent......... 6 3 Risk-NeutralAgent .......................................................... 9 3.1 OptimalStrategiesforRisk-NeutralAgent............................ 11 3.1.1 SensitivityAnalysisoftheOptimalStrategy.................. 15 3.1.2 TheSecond-BestSolution...................................... 16 3.1.3 OurPrincipal-AgentGame..................................... 17 4 Risk-AverseAgent ........................................................... 19 4.1 OptimalStrategieswithaWeaklyRisk-AverseAgent................ 23 4.1.1 SensitivityAnalysisofaWeaklyRisk-Averse Agent’sOptimalStrategy....................................... 33 4.1.2 Principal’sOptimalStrategy ................................... 36 4.2 OptimalStrategiesGivenaStronglyRisk-AverseAgent ............. 45 4.2.1 SensitivityAnalysisofaStronglyRisk-Averse Agent’sOptimalStrategy....................................... 54 4.2.2 Principal’sOptimalStrategy ................................... 56 4.3 Risk-AverseAgent:ASummary....................................... 60 4.3.1 SensitivityAnalysisofOptimalStrategiesinHigh RevenueIndustry ............................................... 61 4.3.2 TheSecond-BestSolutioninHighRevenueIndustry ........ 63 5 Risk-SeekingAgent.......................................................... 65 5.1 OptimalStrategiesfortheWeaklyRisk-SeekingAgent .............. 68 5.1.1 SensitivityAnalysisofaWeaklyRisk-Seeking Agent’sOptimalStrategy....................................... 81 5.1.2 Principal’sOptimalStrategy ................................... 83 v vi Contents 5.2 OptimalStrategiesfortheModeratelyRisk-SeekingAgent.......... 89 5.2.1 Sensitivity Analysis of a Moderately Risk-SeekingAgent’sOptimalStrategy....................... 97 5.2.2 Principal’sOptimalStrategy ................................... 99 5.3 OptimalStrategiesfortheStronglyRisk-SeekingAgent............. 102 5.4 Risk-SeekingAgent:ASummary...................................... 104 6 Summary...................................................................... 107 6.1 InterpretingTable6.1................................................... 109 Acknowledgment................................................................. 113 Appendix.......................................................................... 115 References......................................................................... 125 Index............................................................................... 127 List of Figures Fig.3.1 Illustrationoftheformsofu.(cid:2)/ ..................................... 12 Fig.3.2 StructureoftheproofforProposition3.3 ........................... 12 Fig.3.3 Conditionswhenarisk-neutralagentacceptsthecontract ......... 13 Fig.3.4 StructureoftheproofforTheorem3.4.............................. 14 Fig.3.5 Structureoftheprincipal-agentextensiveformgame .............. 18 Fig.4.1 (cid:3).(cid:2);w;p/asafunctionofP.1/when(cid:4)D1 ....................... 20 Fig.4.2 Illustrationoftheformsofu.(cid:2)/when(cid:4)2.0;3=5(cid:5)................. 26 Fig.4.3 StructureoftheproofforProposition4.9when(cid:4)2.0;3=5(cid:5)....... 27 Fig.4.4 Illustrationoftheformsofu.(cid:2)/when(cid:4)2.3=5;4=5/.............. 30 Fig.4.5 StructureoftheproofforProposition4.9when(cid:4)2.3=5;4=5/.... 31 Fig.4.6 Conditionswhenaweaklyrisk-averseagentaccepts thecontractwith(cid:4)D0:6............................................. 33 Fig.4.7 StructureoftheproofforProposition4.18.......................... 40 Fig.4.8 StructureoftheproofforTheorem4.19andProposition4.20..... 44 Fig.4.9 Thevalueof…Q (cid:2)… .w(cid:2);p(cid:2) Dp I(cid:2)(cid:2)/ P P cu (cid:3)…P.w(cid:2);p(cid:2) Dp3I(cid:2)(cid:2)/forr2.p3;r2/.............................. 46 Fig.4.10 Illustrationoftheformsofu.(cid:2)/when(cid:4)2Œ4=5;1/................. 48 Fig.4.11 StructureoftheproofforProposition4.23when(cid:4)2Œ4=5;1/..... 49 Fig.4.12 Illustrationoftheformsofu.(cid:2)/when(cid:4)(cid:4)1........................ 51 Fig.4.13 StructureoftheproofforProposition4.23when(cid:4)(cid:4)1............ 52 Fig.4.14 Conditionswhenastronglyrisk-averseagentaccepts thecontractwith(cid:4)D2............................................... 54 Fig.4.15 StructureoftheproofforTheorem4.27............................. 58 Fig.4.16 Conditionswhenarisk-neutralprincipalmakesoffers toarisk-averseagent ................................................. 61 Fig.5.1 (cid:3).(cid:2);w;p/asafunctionofP.1/when(cid:4)D(cid:3)1 ..................... 66 Fig.5.2 Illustrationoftheformsofu.(cid:2)/when(cid:4)2.0;3=4(cid:5)................. 73 Fig.5.3 StructureoftheproofforProposition5.10when(cid:4)2.0;3=4(cid:5) ..... 74 Fig.5.4 Illustrationoftheformsofu.(cid:2)/when(cid:4)2.3=4;8=9/.............. 76 Fig.5.5 StructureoftheproofforProposition5.10when(cid:4)2.3=4;8=9/.. 77 vii viii ListofFigures Fig.5.6 Conditionswhenaweaklyrisk-seekingagentaccepts thecontractwith(cid:4)D0:5............................................. 80 Fig.5.7 StructureoftheproofforTheorem5.17............................. 87 Fig.5.8 Illustrationoftheformsofu.(cid:2)/when(cid:4)2Œ8=9;1/................. 92 Fig.5.9 StructureoftheproofforProposition5.19when(cid:4)2Œ8=9;1/ ..... 93 Fig.5.10 Illustrationoftheformsofu.(cid:2)/when(cid:4)2Œ1;2/ ................... 95 Fig.5.11 StructureoftheproofforProposition5.19when(cid:4)2Œ1;2/........ 96 Fig.5.12 Conditions when a moderately risk-seeking agent acceptsthecontractwith(cid:4)D1...................................... 98 Fig.5.13 StructureoftheproofforTheorem5.22............................. 101 Fig.5.14 Illustrationoftheformsofu.(cid:2)/when(cid:4)(cid:4)2........................ 103 Fig.5.15 StructureoftheproofforProposition5.24when(cid:4)(cid:4)2............ 103 Fig.5.16 Conditionswhenaprincipalmakescontractofferstoa risk-seekingagent..................................................... 105 List of Tables Table 2.1 Thevariablesofthemodel........................................... 5 Table 4.1 Indicators of the monotonicity and the concavity/convexityoffunctionu.(cid:2)/in(4.3) ...................... 22 Table 5.1 Indicators of the monotonicity and the concavity/convexityoffunctionu.(cid:2)/in(5.3) ...................... 69 Table 6.1 Summary of the optimal principal-agent contract formulasunderexogenousconditions............................... 110 ix
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