国际会议发言稿

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第一篇：国际学术会议发言稿

1. prologue

thank you, mr. chairman, for your gracious introduction. i am honored to have the chance to address you on this special occasion. the topic of my paper is “transaction cost and farmers’ choice of agricultural products selling”. the outline of my talk as follows. the first part i want to introduce the background of this research. the second part suggests a simple household choice model .the third part covers the data used in this research. and then, we introduce the empirical results. finally, a simple conclusion is given.

2. introduction

well, let’s move on the first part of this topic .the motivation of this work like this. institutional economics posits that agents making decisions on different types of transactions do so in a costly way .for example , farmers deciding sell a particular crop to whom base their decisions not only on the price they expect to receive in each market choice but also on additional costs related to transacting in these markets.

i want to use a picture to illustrate it. for example, given some market channels, farmers’ choices can be regarded as equilibrium between the surplus and the additional costs that related to transacting .especially in developing countries, high-value crop producers fully participate in the market and the transaction cost has been the hard constraint to farmers. furthermore, farmers’ market choices can be taken as a choice dilemma of transaction cost and production surplus. consequently, the scientific question of this research is how transaction cost affects planters’ choices.

3. methodology

let’s move to the theoretical model of our research. consider a household model in one rotation. in stage 1 , famer η needs to allocate the input factors .this process can qbe set into a function like this q? ? q( p , w , z ? ) , qη means the output farmers decide qto produce .p implies the output price w implies input price and.z: ? is fixed input. once produce what and produce how many are decided, next question to be considered is how much products to be transacted in market. here we use three cc()cη means how functions to describe this question. the first equation, c ? ?p , z ?

much agricultural products used by famers themselves. p implies the price the cagricultural product,z ?suggests the fluctuation of cη. the second equation q ? ? q ? ?c?, qη means the amount of agricultural products transacted in

q?n?market. the third equationi ? q ?implies the amount exchanged in nth time.

in stage 3, farmers will decide to sell the products to whom. chanel j’s market price is

bdecided by an exogenesis price and farmers’ negotiating power.pij?p*

j?b(qi,zi)besides this, we use a matrix to show the net profit of chanel jx ik? ik, ? ?? ik ?

and then farmers’ choice can be expressed in a typical choice model

exp(xij?)pr(ji?j|xik)?1 exp(xij?)? k?1

based on the choice model, another important concept is famers’ channel choice .here, we set five types .they rank by the market barriers. accordingly, we set a group discrete number to express them. y: dependent variable y=5,means farmer choose

brokers. y=1, farmers sell products to consumers directly.

4. data and estimation procedures

here, we illustrate the data distribution with this map. according to the agricultural regionalization from department of agriculture, the apple specialization areas in china contain two parts: bo sea area and loess plateau. bo sea area in red color, contains hebei, shandong and liaoning 3 provinces. and loess plateau in green color, contains shanxi, henan, shaanxi and gansu 4 provinces. firstly, we use pps method to get the first stage sampling unit 14 counties in 7 provinces. then use random sample method to get village and household. they are our sample distribution.

5. empirical results

6. conclusions

第二篇：国际会议

国际会议：2014 2nd international conference on environment science and engineering

(icese 2014)post by：2014-7-24 19:09:28 [只看该作者]

2014 2nd international conference on environment science and engineering

may. 26, 2014 news! the icese 2014 papers are available in the vol.8 of ipcbee. (click)

mar.16, 2014 news! the conference program of icese 2014 is available now. (click)

welcome to the official website of the 2014 2nd international conference on environment science and ed during april 7-8 2014, in bangkok, thailand. icese 2014, aims to bring together researchers, scientists, ehe practical challenges encountered and the solutions adopted.

change and share their experiences, new ideas, and research results about all aspects of environment scie

the conference will be held every year to make it an ideal platform for people to share views and expsensors and related areas. icese 2014 will be published in one volume oipcbee, and all papers will be y digital library, and indexed by thomson isi (web of knowledge).

call for papers

2014 2nd international conference on environment science and engineering, icese 2014 is the premier forum for esearch results in the fields of theoretical, experimental, and applied environment science and engineering. the confereers, engineers and scientists in the domain of interest from around the world. topics of interest for submission include,

environmental science and technology

environmental dynamics

meteorology

hydrology

geophysics

atmospheric physics

physical oceanography

global environmental change and ecosystems management

climate and climatic changes

global warming

ozone layer depletion

carbon capture and storage

biofuels

integrated ecosystems management

satellite applications in the environment

environmental restoration and ecological engineering

habitat reconstruction

biodiversity conservation

deforestation

wetlands

landscape degradation and restoration

ground water remediation

soil decontamination

eco-technology

bio-engineering

environmental sustainability

resource management

life cycle analysis

environmental systems approach

renewable sources of energy-energy savings

clean technologies

sustainable cities

health and the environment

health related organisms

hazardous substances and detection techniques

biodegradation of hazardous substances

toxicity assessment and epidemiological studies

quality guidelines, environmental regulation and monitoring

indoor air pollution

water resources and river basin management

regulatory practice, water quality objectives standard setting, water quality classification public participation

economic instruments

modeling and decision support tools

institutional development

transboundary cooperation

management and regulation of point and diffuse pollution

monitoring and analysis of environmental contaminant

ground water management

wastewater and sludge treatment

nutrients removal

suspended and fixed film biological processes

anaerobic treatment

process modelling

sludge treatment and reuse

fate of hazardous substances

industrial wastewater treatment

advances in biological, physical and chemical processes

on site and small scale systems

storm-water management

air pollution and control

emission sources

atmospheric modeling and numerical prediction

interaction between pollutants

control technologies

air emission trading

solid waste management

waste minimization

optimization of collection systems

recycling and reuse

waste valorization

technical aspects of treatment and disposal methods (landfilling, thermal treatment etc) leachate treatment

legal, economic and managerial aspects of solid waste management

management of hazardous solid waste

water treatment and reclamation

disinfection and disinfection by- products

management of water treatment residuals

aesthetic quality of drinking water (taste, odors)

effect of distribution systems on potable water quality

reuse of reclaimed waters

dexed by thomson isi (web of knowledge).

important date advanced treatment of water and secondary effluents (membranes, adsorption, ion exchange, oxidation etc) icese 2014 will be published in one volume of ipcbee, and all papers will be included in engineering

paper submission (full paper)before december 10, 2014 notification of acceptanceon january 1, 2014 final paper submissionbefore january 15, 2014 authors' registrationbefore january 15, 2014 icese 2014 conference datesapril 7 - 8, 2014

submission methods:

1. electronic submission system; ( .pdf)

if you can't login the submission system, please try to submit through method 2.

2. email: icese@ ( .pdf and .doc)

第三篇：国际会议

invitation letter

dear professor li,

on behalf of the peking university and the ieee computer society, i would be very pleased to invite you to attend and chair a session of the forthcoming 2014 international conference on parallel data processing to be held in beijing, from march 25 to march 28, 2014.

you are an internationally acclaimed scholar and educator. your participation will be among the highlights of the conference.

we sincerely hope that you could accept our invitation. if you can come, please let us know as soon as possible, since we have to prepare the final program soon. we are looking forward to your acceptance.

sincerely yours,

wang yang

reply letter

dear professor wang,

many thanks for your letter dated 15th february, inviting me to attend and chair a session of the forthcoming 2014 international conference on parallel data processing to be held in beijing, from march 25 to march 28, 2014.

much to my regret, i shall not be able to honor the invitation because i have been suffering from a disease since this summer. i am firmly advised that it would be unwise to undertake any distant and long travel in the near future.

i feel very sad to miss the opportunity of meeting you and many others in the field of computer science. i wish the conference a complete success. sincerely yours,

li ming

inquiry letter

dear sir,

thanks you very much for accepting our invitation. i am writing to ask for information about your beijing travel for the session. you will arriver at march 24, and please let me know that your arrival time and specific ways, so that we may arrange person to pick you up. we are looking forward to your arrival.

sincerely yours,

wang yang

第四篇：国际会议中心

国际会议中心

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长隆国际会议中心是一个国际化，具有岭南本土特色的多功能场所。中心拥有6000平方米，高度10米的宴会厅。国际会议中心的设计主题是百鸟归巢，大厅的设计运用高科技的手法，利用声、光、电全方位营造各种舞台效果与场景。室内设计立面的陶砖的立体拼接，重现棕榈树干的粗旷肌理，天花与地面以鸟与植物为背景，寓意百鸟归巢的盛大场景

第五篇：2014国际会议通知

2014/2nd international conference on energy and environmental

protection (iceep 2014)

2014年/第二届能源与环境保护国际会议是由内蒙古大学、香港工业技术研究中心联合发起组织的国际性学术会议，将于2014年4月20日-21日在桂林举行。

本届会议旨在为参会的专家学者提供一个高水平的学术交流平台，共同探讨可持续能源与环境工程及相关技术在全球的发展以及能源、环境相关产业面临的新机遇，从而推动国际能源的技术创新和环境的可持续发展。

在此，我们诚挚地邀请海内外专家、学者以及相关行业的朋友们参加本次学术会议！

本次会议所有录用的文章将以正刊出版在《advanced materials research》上，全部被ei核心与istp同时索引，全文截止日为2014年4月5日。

论文要求如下：

1、必须符合本次会议征文主题

2、流畅的英文撰写，符合英文写作规范，可读性好

3、结构严谨，有实用性和创新性

4、原创的，未曾出版