国际会议发言稿精选多篇.docx

国际会议发言稿精选多篇.docx

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国际会议发言稿精选多篇

国际会议发言稿（精选多篇）

　　第一篇：

国际学术会议发言稿　　1.prologue

　　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,qηmeanstheoutputfarmersdecideqtoproduce.pimpliestheoutputpricewimpliesinputprice:

?

isfixedinput.onceproducewhatandproducehowmanyaredecided,nextquestiontobeconsideredishowmuchproductstobetransactedinmarket.hereweusethreecccηmeanshowfunctionstodescribethisquestion.thefirstequation,c?

?

p,z?

　　muchagriculturalproductsusedbyfamersthemselves.pimpliesthepricethecagriculturalproduct,z?

suggeststhefluctuationofcη.thesecondequationq?

?

q?

?

c?

qηmeanstheamountofagriculturalproductstransactedin

　　q?

n?

market.thethirdequationi?

q?

impliestheamountexchangedinnthtime.

　　instage3,farmerswilldecidetoselltheproductstowhom.chanelj’smarketpriceis

　　bdecidedbyanexogenesispriceandfarmers’negotiating?

p*

　　j?

bbesidesthis,weuseamatrixtoshowthenetprofitofchaneljxik?

ik,?

?

?

ik?

　　andthenfarmers’choicecanbeexpressedinatypicalchoicemodel

　　exppr?

1exp?

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：

20142ndinternationalconferenceonenvironmentscienceandengineering

　　postby：

2014-7-2419:

09:

28[只看该作者]

　　20142ndinternationalconferenceonenvironmentscienceandengineering

　　may.26,2014news!

theicese2014papersareavailableintheofipcbee.

　　,2014news!

theconferenceprogramoficese2014isavailablenow.

　　welcometotheofficialwebsiteofthe20142ndinternationalconferenceonenvironmentscienceandedduringapril7-82014,inbangkok,thailand.icese2014,aimstobringtogetherresearchers,scientists,ehepracticalchallengesencounteredandthesolutionsadopted.

　　changeandsharetheirexperiences,newideas,andresearchresultsaboutallaspectsofenvironmentscie

　　theconferencewillbeheldeveryyeartomakeitanidealplatformforpeopletoshareviewsandexpsensorsandrelatedareas.icese2014willbepublishedinonevolumeofipcbee,andallpaperswillbeydigitallibrary,andindexedbythomsonisi.

　　callforpapers

　　20142ndinternationalconferenceonenvironmentscienceandengineering,icese2014isthepremierforumforesearchresultsinthefieldsoftheoreti