国际会议发言稿

---------------------------------精选公文范文------------------------------------------精选公文范文----------------1国际会议发言稿篇一：国际学术会议发言稿1.PrologueThankyou,Mr.Chairman,foryourgraciousintroduction.Iamhonoredtohavethechancetoaddressyouonthisspecialoccasion.Thetopicofmypaperis“TransactionCostandFarmers’ChoiceofAgriculturalProductsSelling”.Theoutlineofmytalkasfollows.ThefirstpartIwanttointroducethebackgroundofthisresearch.Thesecondpartsuggestsasimplehouseholdchoicemodel.Thethirdpartcoversthedatausedinthisresearch.Andthen,weintroducetheempiricalresults.Finally,asimpleconclusionisgiven.2.IntroductionWell,let’smoveonthefirstpartofthistopic.Themotivationofthisworklike---------------------------------精选公文范文------------------------------------------精选公文范文----------------2this.Institutionaleconomicspositsthatagentsmakingdecisionsondifferenttypesoftransactionsdosoinacostlyway.Forexample,farmersdecidingsellaparticularcroptowhombasetheirdecisionsnotonlyonthepricetheyexpecttoreceiveineachmarketchoicebutalsoonadditionalcostsrelatedtotransactinginthesemarkets.Iwanttouseapicturetoillustrateit.Forexample,givensomemarketchannels,farmers’choicescanberegardedasequilibriumbetweenthesurplusandtheadditionalcoststhatrelatedtotransacting.Especiallyindevelopingcountries,high-valuecropproducersfullyparticipateinthemarketandthetransactioncosthasbeenthehardconstrainttofarmers.Furthermore,Farmers’marketchoicescanbetakenasachoicedilemmaoftransactioncostandproductionsurplus.Consequently,thescientificquestionofthisresearchishow---------------------------------精选公文范文------------------------------------------精选公文范文----------------3transactioncostaffectsplanters’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??Q??c?,qηmeanstheamountof---------------------------------精选公文范文------------------------------------------精选公文范文----------------4agriculturalproductstransactedinq?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,meansfarmerchoosebrokers.Y=1,farmerssellproducts---------------------------------精选公文范文------------------------------------------精选公文范文----------------5toconsumersdirectly.4.DataandestimationproceduresHere,weillustratethedatadistributionwiththismap.AccordingtotheAgriculturalregionalizationfromDepartmentofAgriculture,TheapplespecializationareasinChinacontaintwoparts:BoSeaareaandLoessPlateau.BoSeaAreainredcolor,containsHebei,ShandongandLiaoning3provinces.AndLoessPlateauingreencolor,containsShanxi,Henan,ShaanxiandGansu4provinces.Firstly,weusePPSmethodtogetthefirststagesamplingunit14countiesin7provinces.Thenuserandomsamplemethodtogetvillageandhousehold.Theyareoursampledistribution.5.EmpiricalResults6.Conclusions篇二：国际会议作报告英语发言稿Thankyou,prof.….Myname---------------------------------精选公文范文------------------------------------------精选公文范文----------------6is…..I’mfrom…..Iamverypleasedtobeheretojointhisforum.Thetopicofmypresentationispropertiesofrapidconstructionmaterialsforsoilpavementoffieldairfield.Asisshowninthepicture,themainpartsofmyresearchareaboutsoilpavement.Mypresentationwillincludethesefourparts:First,somebackgroundinformationaboutthisresearch;second,themainworkwehavedone;third,someconclusionswehavegotandthelast:innovationandpresentationofourpublishedpapers.WhyIchoosethisitem?Ithinkitcanbeillustratedfromthefollowingfourparts.First,theexistingquantityofairfieldsisstillnotsufficientandtheairfieldshavemanyshortcomingsespeciallyinwartime.Second,thecomplementaryfacilities,suchashighwayrunwaysarefarlessthanairfields,---------------------------------精选公文范文------------------------------------------精选公文范文----------------7however,havemoreweakness.Third,acertainamountoffieldairfieldisquitenecessaryconsideringsomeemergenciessuchasrescueanddisasterrelief.Forth,thefieldairfieldcanfillthevoidofairfieldandtheycanbecombinedtobeairfieldnetwork.Themeaningandaimofthisresearchcontainsthreeparts.Fast,convenientandvalidity,fastmeansthefieldairfieldmustbeconstructedasfastaspossible,convenientmeanstheconstructionshouldneedtheminimumequipment,l