马丁L威茨曼
马丁·L·威茨曼（Martin Lawrence Weitzman）或译为马丁·魏茨曼、马丁·惠茨曼——哈佛大学经济系的教授，世界最具影响力的经济学家之一
马丁·L·威茨曼（Martin Lawrence Weitzman）
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马丁·L·威茨曼（Martin Lawrence Weitzman）出生于1942年，是美国哈佛大学经济系的知名教授。IDEAS/REPEC排行榜指出，他是世界最具影响力的经济学家之一。在1984年所著的《分享经济》一书中,提出了他的分享经济理论。
威茨曼目前的研究重心放在了环境经济学上，尤其是气候变化和灾难经济学。环境经济学主要研究如何充分利用经济杠杆来解决环境污染问题，包括研究社会生产力的合理组织、评估环境治理的投入所产生的效益、制定污染者付费的制度和排污指标转让的金额等，以将环境的价值纳入到生产和生活的成本中去，使环境的价值体现得更为具体。惠茨曼主要探讨了结构不确定性在灾难经济分析中所起的作用。风险意味着一个随机的情况下经济被衡量的频率，不确定性则反映了对信息认知的深层次不足。在获取信息方面的困难意味着对极端事件的不确定后果估计不足。他的结论之一是，对效益分析的未知规模的破坏所产生的影响超过了对贴现率的影响。
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Martin Lawrence "Marty" Weitzman (born April 1, 1942, in New York City) is a well known-economist and a Professor of Economics at Harvard University. He is among the most influential economists in the world according to IDEAS/RePEc. His current research is focused on environmental economics, specifically climate change and the economics of catastrophes. Aside from his role as a Professor, he also serves as a consultant to many organizations and is the Associate editor of multiple journals.
Weitzman is mentioned as a potential recipient of the 2009 Nobel Memorial Prize in Economic Sciences.[1]
Weitzman received a B.A. in Mathematics and Physics from Swarthmore College in 1963. He went on to receive an M.S. in Statistics and Operations Research from Stanford University in 1964, and then attended Massachusetts Institute of Technology where he received a Ph.D. in Economics in 1967.
In 2005, Weitzman was arrested on misdemeanor charges based on a local farmer's allegation that Weitzman had stolen several truckloads of manure. Weitzman claimed that he had received permission, but he agreed to pay the farmer $600 in order to have the charges dismissed.[2]
Weitzman's research has covered a wide range of topics including Environmental and Natural Resource Economics, Green Accounting, Economics of Biodiversity, Economics of Environmental Regulation, Economics of Climate Change, Discounting, Comparative Economic Systems, Economics of Profit Sharing, Economic Planning, and Microfoundations of Macro Theory.
Much of Weitzman's current research is focused on climate change. Traditional cost-benefit analysis of climate change looks at the costs of reducing global warming (the cost of reducing greenhouse gas emissions) versus the benefits (potentially stopping or slowing climate change). However, in most analysises, the damages that would stem from dramatic climate change are not taken into consideration. Weitzman has added dramatic climate change to the cost-benefit analysis to show that immediate measures must be taken in regards to climate change regulation.[3]
Weitzman's past research was focused on fixed versus profit sharing wages and their effect on unemployment. He proposed that when firms use profit sharing wages, meaning employees receive higher wages when a company is doing well, firms have lower rates of unemployment and do better during recessions.
Another topic of research that Weitzman is well known for is his study of price versus quantity controls. Weitzman proposed a theory that when faced with uncertainty the relative slopes of the marginal benefits versus the marginal costs must be examined in order to determine which type of control will be most effective. For example, in the case of pollution, the relative slopes of marginal costs and marginal damages must be examined. His research showed that if the slope of marginal costs is steeper, price controls are more effective and if the relative slope of marginal damages is steeper, then quantity controls are more effective.
Weitzman has written two books: The Share Economy: Conquering Stagflation and Income, Wealth, and the Maximum Principal. In The Share Economy: Conquering Stagflation, Weitzman proposes that a main cause of Stagflation is paying workers a fixed wage, regardless of how the company is performing. He introduces an alternate labor payment system as a way of combating stagflation. Income, Wealth, and the Maximum Principal is a book geared towards advanced economic students particularly those who want to be able to formulate and solve complex allocation problems and who are interested in the relationship between income accounting and wealth or welfare.
Weitzman began his teaching career in 1967 as an Assistant Professor of Economics at Yale University. Three years later Martin was promoted to be an Associate Professor and he remained in this position until 1972; at this time he joined the faculty at Massachusetts Institute of Technology in 1972 still as an Associate Professor. In 1974, Weitzman became a Professor at MIT, where he taught until 1989. From 1986- 1989, Weitzman was recognized as a Mitsui Professor at MIT. In 1989, Martin Weitzman became an Ernest E. Monrad Professor of Economics at Harvard University and has remained in this position for the last 18 years. He currently teaches two graduate courses: Ec 2680 Environmental and Natural Resource Economics & Ec 2690 Environmental Economics and Policy Seminar.
Martin Weitzman serves as a consultant to The World Bank, Stanford Research Institute, International Monetary Fund, Agency for International Development, Arthur D. Little Co., Canadian Parliamentary Committee on Employment, Icelandic Committee on Natural Resources, National Academy Panel on Integrated Environmental and Economic Accounting.
He also serves as Associate Editor of the following publications: Journal of Comparative Economics, Economic Letters, Journal of Japanese and International Economics, Journal of Environmental Economics and Management
- National Science Foundation Fellow, 1963-65
- Woodrow Wilson Fellow, 1963-64
- Ford Foundation Dissertation Fellow, 1966
- Guggenheim Fellow, 1970-71
- Fellow of the Econometric Society, 1976-present
- Fellow of the American Academy of Arts and Sciences, 1986-present
- Association of Environmental and Resource Economists: Special Award for “Publication of Enduring Quality.”
- Keynote Speaker, 2002 World Congress of Environmental Economists
- Keynote Speaker, 2006 World Congress of Animal Geneticists
Weitzman has published over 90 papers, many of which have appeared in Economics Journals. His 3 most recent papers are listed below.
- Martin Weitzman, December 2007. "On Modeling and Interpreting the Economics of Catastrophic Climate Change [1]"
- Martin Weitzman, February 2007. "The Stern Review of the Economics of Climate Change [2]"
- Martin Weitzman, January 2007. "Prior-Sensitive Expectations and Asset-Return Puzzles [3]"