国际会议发言稿精选多篇Word下载.docx

国际会议发言稿精选多篇Word下载.docx

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thankyou,mr.chairman,foryourgraciousintroduction.iamhonoredtohavethechancetoaddressyouonthisspecialoccasion.thetopicofmypaperis“transactioncostandfarmers’choiceofagriculturalproductsselling”.theoutlineofmytalkasfollows.thefirstpartiwanttointroducethebackgroundofthisresearch.thesecondpartsuggestsasimplehouseholdchoicemodel.thethirdpartcoversthedatausedinthisresearch.andthen,weintroducetheempiricalresults.finally,asimpleconclusionisgiven.

2.introduction

well,let’smoveonthefirstpartofthistopic.themotivationofthisworklikethis.institutionaleconomicspositsthatagentsmakingdecisionsondifferenttypesoftransactionsdosoinacostlyway.forexample,farmersdecidingsellaparticularcroptowhombasetheirdecisionsnotonlyonthepricetheyexpecttoreceiveineachmarketchoicebutalsoonadditionalcostsrelatedtotransactinginthesemarkets.

iwanttouseapicturetoillustrateit.forexample,givensomemarketchannels,farmers’choicescanberegardedasequilibriumbetweenthesurplusandtheadditionalcoststhatrelatedtotransacting.especiallyindevelopingcountries,high-valuecropproducersfullyparticipateinthemarketandthetransactioncosthasbeenthehardconstrainttofarmers.furthermore,farmers’marketchoicescanbetakenasachoicedilemmaoftransactioncostandproductionsurplus.consequently,thescientificquestionofthisresearchishowtransactioncostaffectsplanters’choices.

3.methodology

let’smovetothetheoreticalmodelofourresearch.considerahouseholdmodelinonerotation.instage1,famerηneedstoallocatetheinputfactors.thisprocesscanqbesetintoafunctionlikethisq?

?

q（p,w,z?

）,qηmeanstheoutputfarmersdecideqtoproduce.pimpliestheoutputpricewimpliesinputpriceand.z:

isfixedinput.onceproducewhatandproducehowmanyaredecided,nextquestiontobeconsideredishowmuchproductstobetransactedinmarket.hereweusethreecc（）cηmeanshowfunctionstodescribethisquestion.thefirstequation,c?

p,z?

muchagriculturalproductsusedbyfamersthemselves.pimpliesthepricethecagriculturalproduct,z?

suggeststhefluctuationofcη.thesecondequationq?

q?

c?

qηmeanstheamountofagriculturalproductstransactedin

q?

n?

market.thethirdequationi?

impliestheamountexchangedinnthtime.

instage3,farmerswilldecidetoselltheproductstowhom.chanelj’smarketpriceis

bdecidedbyanexogenesispriceandfarmers’negotiatingpower.pij?

p*

j?

b（qi,zi）besidesthis,weuseamatrixtoshowthenetprofitofchaneljxik?

ik,?

?

ik?

andthenfarmers’choicecanbeexpressedinatypicalchoicemodel

exp（xij?

）pr（ji?

j|xik）?

1exp（xij?

）?

k?

1

basedonthechoicemodel,anotherimportantconceptisfamers’channelchoice.here,wesetfivetypes.theyrankbythemarketbarriers.accordingly,wesetagroupdiscretenumbertoexpressthem.y:

dependentvariabley=5,meansfarmerchoose

brokers.y=1,farmerssellproductstoconsumersdirectly.

4.dataandestimationprocedures

here,weillustratethedatadistributionwiththismap.accordingtotheagriculturalregionalizationfromdepartmentofagriculture,theapplespecializationareasinchinacontaintwoparts:

boseaareaandloessplateau.boseaareainredcolor,containshebei,shandongandliaoning3provinces.andloessplateauingreencolor,containsshanxi,henan,shaanxiandgansu4provinces.firstly,weuseppsmethodtogetthefirststagesamplingunit14countiesin7provinces.thenuserandomsamplemethodtogetvillageandhousehold.theyareoursampledistribution.

5.empiricalresults

6.conclusions

第二篇：

国际会议

国际会议：

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