国际会议发言稿精选多篇Word文档下载推荐.docx
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国际会议发言稿精选多篇Word文档下载推荐.docx
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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?
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
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