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1、学术会议的发言稿开场白四篇会议的主持需要有一个好的开头，让人容易进入会议，注重重点。那么今天小编为大家带来的是关于学术会议的发言稿开场白的范文，希望对大家有所帮助!如果你喜欢记得分享给身边的朋友哦!【学术会议的发言稿开场白】一1.prologuethankyou,mr.chairman,foryourgraciousintroduction.iamhonoredtohavethechancetoaddressyouonthisspecialoccasion.thetopicofmypaperis"transactioncosta
2、ndfarmers'choiceofagriculturalproductsselling".theoutlineofmytalkasfollows.thefirstpartiwanttointroducethebackgroundofthisresearch.thesecondpartsuggestsasimplehouseholdchoicemodel.thethirdpartcoversthedatausedinthisresearch.andthen,weintroducetheempiricalresults.fina
3、lly,asimpleconclusionisgiven.2.introductionwell,let'smoveonthefirstpartofthistopic.themotivationofthisworklikethis.institutionaleconomicspositsthatagentsmakingdecisionsondifferenttypesoftransactionsdosoinacostlyway.forexample,farmersdecidingsellaparticularcroptowhomb
4、asetheirdecisionsnotonlyonthepricetheyexpecttoreceiveineachmarketchoicebutalsoonadditionalcostsrelatedtotransactinginthesemarkets.iwanttouseapicturetoillustrateit.forexample,givensomemarketchannels,farmers'choicescanberegardedasequilibriumbetweenthesurplusandtheaddit
5、ionalcoststhatrelatedtotransacting.especiallyindevelopingcountries,high-valuecropproducersfullyparticipateinthemarketandthetransactioncosthasbeenthehardconstrainttofarmers.furthermore,farmers'marketchoicescanbetakenasachoicedilemmaoftransactioncostandproductionsurplu
6、s.consequently,thescientificquestionofthisresearchishowtransactioncostaffectsplanters'choices.3.methodologylet'smovetothetheoreticalmodelofourresearch.considerahouseholdmodelinonerotation.instage1,famerta;needstoallocatetheinputfactors.thisprocesscanqbesetintoafuncti
7、onlikethisqq(p,w,z),qta;meanstheoutputfarmersdecideqtoproduce.pimpliestheoutputpricewimpliesinputpriceand.z:isfixedinput.onceproducewhatandproducehowmanyaredecided,nextquestiontobeconsideredishowmuchproductstobetransactedinmarket.hereweusethreecccta;meanshowfunctions
8、todescribethisquestion.thefirstequation,cp,zmuchagriculturalproductsusedbyfamersthemselves.pimpliesthepricethecagriculturalproduct,
