国际学术会议发言稿(精选多篇)

-------------------------------------------------------精选财经经济类资料---------------------------------------------------------------------------------------------最新财经经济资料----------------感谢阅读-----------------------------------~1~国际学术会议发言稿(精选多篇)1.prologuethankyou,mr.chairman,foryourgraciousintroduction.iamhonoredtohavethechancetoaddressyouonthisspecialoccasion.thetopicofmypaperis“transactioncostandfarmers’choiceofagriculturalproductsselling”.theoutlineofmytalkasfollows.thefirstpartiwanttointroducethebackgroundofthisresearch.thesecondpartsuggestsasimplehouseholdchoicemodel.thethirdpartcoversthedatausedinthisresearch.andthen,weintroducetheempiricalresults.finally,asimpleconclusionisgiven.2.introduction-------------------------------------------------------精选财经经济类资料---------------------------------------------------------------------------------------------最新财经经济资料----------------感谢阅读-----------------------------------~2~well,let’smoveonthefirstpartofthistopic.themotivationofthisworklikethis.institutionaleconomicspositsthatagentsmakingdecisionsondifferenttypesoftransactionsdosoinacostlyway.forexample,farmersdecidingsellaparticularcroptowhombasetheirdecisionsnotonlyonthepricetheyexpecttoreceiveineachmarketchoicebutalsoonadditionalcostsrelatedtotransactinginthesemarkets.iwanttouseapicturetoillustrateit.forexample,givensomemarketchannels,farmers’choicescanberegardedasequilibriumbetweenthesurplusandtheadditionalcoststhatrelatedtotransacting.especiallyindevelopingcountries,high-valuecropproducersfullyparticipateinthemarketandthetransactioncosthasbeenthehardconstrainttofarmers.furthermore,farmers’marketchoicescanbetakenasachoicedilemmaoftransactioncostand-------------------------------------------------------精选财经经济类资料---------------------------------------------------------------------------------------------最新财经经济资料----------------感谢阅读-----------------------------------~3~productionsurplus.consequently,thescientificquestionofthisresearchishowtransactioncostaffectsplanters’choices.3.methodologylet’smovetothetheoreticalmodelofourresearch.considerahouseholdmodelinonerotation.instage1,famerηneedstoallocatetheinputfactors.thisprocesscanqbesetintoafunctionlikethisq??q,qηmeanstheoutputfarmersdecideqtoproduce.pimpliestheoutputpricewimpliesinputpriceand.z:?isfixedinput.onceproducewhatandproducehowmanyaredecided,nextquestiontobeconsideredishowmuchproductstobetransactedinmarket.hereweusethreecccηmeanshowfunctionstodescribethisquestion.thefirstequation,c??p,z?muchagriculturalproductsusedbyfamersthemselves.pimpliesthepricethecagriculturalproduct,z?suggeststhefluctuationofcη.thesecondequationq??-------------------------------------------------------精选财经经济类资料---------------------------------------------------------------------------------------------最新财经经济资料----------------感谢阅读-----------------------------------~4~q??c?,qηmeanstheamountofagriculturalproductstransactedinq?n?market.thethirdequationi?q?impliestheamountexchangedinnthtime.instage3,farmerswilldecidetoselltheproductstowhom.chanelj’smarketpriceisbdecidedbyanexogenesispriceandfarmers’negotiatingpower.pij?p*j?bbesidesthis,weuseamatrixtoshowthenetprofitofchaneljxik?ik,???ik?andthenfarmers’choicecanbeexpressedinatypicalchoicemodelexppr?1exp?k?1basedonthechoicemodel,anotherimportantconceptisfamers’channelchoice.here,wesetfivetypes.theyrankbythemarketbarriers.accordingly,wesetagroupdiscretenumbertoexpressthem.y:dependentvariabley=5,meansfarmer-------------------------------------------------------精选财经经济类资料---------------------------------------------------------------------------------------------最新财经经济资料----------------感谢阅读-----------------------------------~5~choosebrokers.y=1,farmerssellproductstoconsumersdirectly.4.dataandestimationprocedureshere,weillustratethedatadistributionwiththismap.accordingtotheagriculturalregionalizationfromdepartmentofagriculture,theapplespecializationareasinchinacontaintwoparts:boseaareaandloessplateau.boseaareainredcolor,containshebei,shandongandliaoning3provinces.andloessplateauingreencolor,containsshanxi,henan,shaanxiandgansu4provinces.firstly,weuseppsmethodtogetthefirststagesamplingunit14countiesin7provinces.thenuserandomsamplemethodtogetvillageandhousehold.theyareoursampledistribution.5.empiricalresults6.conclusions以单一元素作为议题而举行的国-------------------------------------------------------精选财经经济类资料---------------------------------------------------------------------------------------------最新财经经济资料----------------感谢阅读-----------------------------------~6~际研讨会，硒是最早的，也是唯一的一个，每五年举办一次，至今已召开八届。其中，第三届和第六届都在中国北京举办；2014年，第八届“硒在生物医药中的应用”国际会议在美国威斯康星大学隆重召开，纳米硒是本届硒全球大会来自中国的唯一参展商。由此可见硒对人体健康的重要性。硒在人体中的作用是广谱的。迄今为止，已知人类有490余种疾病与缺硒有直接关系。人们把硒称为“明星营养素”、“抗癌之王”等等，国际上发表的硒的生物医学研究科学论文已经超过一万篇，是其他微量元素所不能比拟的。关于举办首届“国际学术会议模拟大赛”的通知为提升研究生综合素质，开阔研究生国际化视野，提升研究生英语交流和沟通能力，展现研究生群体学术功底，校研究生会将举办“2014年研究生文化节”之国际学术会议模拟大赛，现将有关事宜通知如下：-------------------------------------------------------精选财经经济类资料---------------------------------------------------------------------------------------------最新财经经济