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1、国际学术会议发言稿第一篇:国际学术会议发言稿1.prologuethankyou,mr.chairman,foryourgraciousintroduction.iamhonoredtohavethechancetoaddressyouonthisspecialoccasion.thetopicofmypaperis“transactioncostandfarmers’choiceofagriculturalproductsselling”.theoutlineofmytalkasfolloplehouseholdchoicemodel.the
2、thirdpartcoversthedatausedinthisresearch.andthen,piricalresults.finally,asimpleconclusionisgiven.2.introductionoveonthefirstpartofthistopic.themotivationofthisicspositsthatagentsmakingdecisionsondifferenttypesoftransactionsdosoinacostlyple,farmersdecidingsellaparticularcropt
3、obasetheirdecisionsnotonlyonthepricetheyexpecttoreceiveineachmarketchoicebutalsoonadditionalcostsrelatedtotransactinginthesemarkets.iple,givensomemarketchannels,farmers’choicescanberegardedasequilibriumbetarketandthetransactioncosthasbeenthehardconstrainttofarmers.furthermor
4、e,farmers’marketchoicescanbetakenasachoicedilemmaoftransactioncostandproductionsurplus.consequently,thescientificquestionofthisresearchishoethodologylet’smovetothetheoreticalmodelofourresearch.considerahouseholdmodelinonerotation.instage1,famerηneedstoallocatetheinputfactors
5、.thisprocesscanqbesetintoafunctionlikethisq??q(p,eanstheoutputfarmersdecideqtoproduce.pimpliestheoutputpricepliesinputpriceand.z:?isfixedinput.onceproduceanyaredecided,nextquestiontobeconsideredishouchproductstobetransactedinmarket.hereeanshouchagriculturalproductsusedbyfame
6、rsthemselves.pimpliesthepricethecagriculturalproduct,z?suggeststhefluctuationofcη.thesecondequationq??q??c?,qηmeanstheamountofagriculturalproductstransactedinq?n?market.thethirdequationi?q?impliestheamountexchangedinnthtime.instage3,farmers.chanelj’smarketpriceisbdecidedbyan
7、exogenesispriceandfarmers’negotiatingpoatrixtoshoers’choicecanbeexpressedinatypicalchoicemodelexp(xij?)pr(ji?j
8、xik)?1exp(xij?)?k?1basedonthechoicemodel,anotherimportantconceptisfamers’channelchoice.here,arketbarriers.accordingly,bertoexpressthem.y:dependentvariabley=5,meansf
9、armerchoosebrokers.y=1,farmerssellproductstoconsumersdirectly.4.dataandesti