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| Wichelns, Dennis; Nakao, Megumi. |
| Purchasable development rights (PDR) programs are generally considered to provide permanent protection of farmland because development rights are separated from the land in perpetuity. However, the programs do not require that farming activities be maintained in the future. Farming may be discontinued on PDR parcels due to changes in economic conditions or if the parcels are converted to non-farm, rural estates. Such changes may reduce the flow of public goods that citizens seek to obtain by implementing PDR programs. We examine changes in land use on PDR parcels to determine if current activities are consistent with program goals. While changes have occurred in the crops and livestock produced on Rhode Island farms, over time, all of the farms on... |
| Tipo: Journal Article |
Palavras-chave: Land Economics/Use. |
| Ano: 2001 |
URL: http://purl.umn.edu/31425 |
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| Nakao, Megumi; Wichelns, Dennis. |
| We examine the role of investment opportunities on the marginal cost of a backstop technology and the resulting implications for optimal depletion of a non-renewable resource. We consider the case in which two economic agents (individuals, cities, or nations) compete for a non-renewable resource, and investments in research and development will reduce the marginal cost of a backstop technology. We examine the problem in both social optimization and game theory frameworks. We consider three scenarios: 1) The social planner's problem in which the sum of net benefits earned by the two agents (players) is maximized, 2) A scenario in which two players compete for the limited resource, while making investments jointly, and 3) A scenario in which the players... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy. |
| Ano: 2003 |
URL: http://purl.umn.edu/22042 |
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| Wichelns, Dennis; Nakao, Megumi; Irarrazabal, Alfonso; Montgomery, John T.. |
| We examine the potential gains from cooperation in the withdrawal of water from the Hueco Bolson aquifer that provides a substantial portion of municipal water supplies in El Paso, Texas and Ciudad Juarez, Mexico. The aquifer lies beneath the international border, and both cities operate independently regarding pumping rates and annual withdrawals. The natural the rate of recharge has been less than the sum of annual withdrawals since the early 1900s, and the resource likely will be depleted if current pumping rates are maintained. Optimal pumping rates and depths are described using a model that maximizes the sum of net benefits obtained from municipal water supplies in both cities. Those results are compared with pumping rates and depths obtained... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Resource /Energy Economics and Policy. |
| Ano: 2001 |
URL: http://purl.umn.edu/20522 |
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| Nakao, Megumi; Wichelns, Dennis; Montgomery, John T.. |
| We examine the potential gains from cooperation in the withdrawal of water from the Hueco Bolson aquifer that provides municipal water supply for El Paso, Texas and Ciudad Juarez, Mexico. The aquifer lies beneath the international border, and both cities operate independently regarding pumping rates and withdrawals. We estimate the gains by comparing four scenarios in a dynamic setting: 1) a status quo scenario in which both cities continue extracting groundwater as they are at present, 2) a Nash non-cooperative game scenario, 3) a Nash bargaining scenario, and 4) a scenario that involves maximizing the sum of net benefits in both cities. All scenarios, including the non-cooperative game, provide a longer useful life of the Hueco Bolson aquifer than... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Resource /Energy Economics and Policy. |
| Ano: 2002 |
URL: http://purl.umn.edu/19732 |
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| Wichelns, Dennis; Kline, Jeffrey D.. |
| This paper examines the economic impact of selected farmland characteristics on the appraised value of development rights. Price elasticities are estimated for the size and location of farmland parcels, the amount of road frontage, the existence of panoramic views, and the distance to urban centers. Estimated elasticities suggest that parcel characteristics have a substantial impact on the cost of preserving farmland. For example, the per-acre cost of development rights is estimated to be 53 percent higher on farmland parcels that have a panoramic view of water than on parcels that have no water view. Similarly, the per-acre cost of development rights on a typical 25-acre farm is estimated to be 90 percent higher than on a typical 150-acre farm.... |
| Tipo: Journal Article |
Palavras-chave: Land Economics/Use. |
| Ano: 1993 |
URL: http://purl.umn.edu/31545 |
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