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1、医学学术会议发言稿(精选多篇)第一篇:国际学术会议发言稿1.prologuethankyou,mr.chairman,foryourgraciousintroduction.iamhonoredtohavethechancetoaddressyouonthisspecialoccasion.thetopicofmypaperis“transactioncostandfarmers’choiceofagriculturalproductsselling”.theoutlineofmytalkasfollows.the
2、firstpartiwanttointroducethebackgroundofthisresearch.thesecondpartsuggestsasimplehouseholdchoicemodel.thethirdpartcoversthedatausedinthisresearch.andthen,weintroducetheempiricalres(更多文章请关注:WWw.hAOWORd.cOM)ults.finally,asimpleconclusionisgiven.2.introductionwel
3、l,let’smoveonthefirstpartofthistopic.themotivationofthisworklikethis.institutionaleconomicspositsthatagentsmakingdecisionsondifferenttypesoftransactionsdosoinacostlyway.forexample,farmersdecidingsellaparticularcroptowhombasetheirdecisionsnotonlyonthepricetheye
4、xpecttoreceiveineachmarketchoicebutalsoonadditionalcostsrelatedtotransactinginthesemarkets.iwanttouseapicturetoillustrateit.forexample,givensomemarketchannels,farmers’choicescanberegardedasequilibriumbetweenthesurplusandtheadditionalcoststhatrelatedtotransacti
5、ng.especiallyindevelopingcountries,high-valuecropproducersfullyparticipateinthemarketandthetransactioncosthasbeenthehardconstrainttofarmers.furthermore,farmers’marketchoicescanbetakenasachoicedilemmaoftransactioncostandproductionsurplus.consequently,thescienti
6、ficquestionofthisresearchishowtransactioncostaffectsplanters’choices.3.methodologylet’smovetothetheoreticalmodelofourresearch.considerahouseholdmodelinonerotation.instage1,famerηneedstoallocatetheinputfactors.thisprocesscanqbesetintoafunctionlikethisq??q(p,w,z
7、?),qηmeanstheoutputfarmersdecideqtoproduce.pimpliestheoutputpricewimpliesinputpriceand.z:?isfixedinput.onceproducewhatandproducehowmanyaredecided,nextquestiontobeconsideredishowmuchproductstobetransactedinmarket.hereweusethreecc()cηmeanshowfunctionstodescribet
8、hisquestion.thefirstequation,c??p,z?muchagriculturalproductsusedbyfamersthemselves.pimpliesthepricethecagriculturalproduct,z?suggeststhefluctuationofcη.thesecondequationq??q??c?,qη