Showing 101 - 110 of 27,671
In diesem Beitrag wird der Frage nachgegangen, inwieweit Optimierungsansätze wie lineareProgrammierungsmodelle geeignet sind, bessere Entscheidungen als reale Entscheider zu treffen.Auch beleuchtet werden Unterschiede im Entscheidungsverhalten und in denProduktionsstrategien. Dazu lassen wir...
Persistent link: https://www.econbiz.de/10009446182
This paper explores two ideas to enhance the performance of agri-environmental contracting schemes: linking contract payments to environmental outcomes and putting the contracts up for tender. This paper investigates whether there are any gains to be had by combining the benefits of both...
Persistent link: https://www.econbiz.de/10009446183
Recently gravity trade models are applied to disaggregated trade data. Here many zeros arecharacteristic. In the presence of excess zeros usual Poisson Pseudo Maximum Likelihood(PPML) is still consistent, the variance covariance matrix however is invalid. Correcteconomic interpretation however...
Persistent link: https://www.econbiz.de/10009446184
The aims of our paper are to identify economic determinants of theon-farm cultivars diversity and to empirically characterize the farmers'diversi…cation choices. We focus on the private decision making processinvolving the choice of rice cultivars and the corresponding allocation offarmland....
Persistent link: https://www.econbiz.de/10009446190
The U.S. Geological Survey has determined that irrigation in Arkansas’ Delta is unsustainable. This study examines how irrigation restrictions would affect county net returns to cropproduction. It also considers the effect of planting less water-intensive bioenergycrops—switchgrass and...
Persistent link: https://www.econbiz.de/10009446307
In the New Economy, the network is considered as more important than the firm itself. In this paper the focus is on chain networks which include vertical networks among chain members, horizontal networks with peers, and networking with third parties. Networks have an important role in the...
Persistent link: https://www.econbiz.de/10009446318
We investigate the strategic pricing for leading brands sold in the carbonated soft drink (CSD) market in the context of a flexible demand specification (i.e. random parameter nested logit) and a structural pricing equation. Our approach does not rely upon the often used ad hoc linear...
Persistent link: https://www.econbiz.de/10009446338
We study the difference in the volatility dynamics of CBOT corn, soybeans, and oatsfutures prices across different delivery horizons via the smoothed Bayesian estimatorof Karali, Dorfman, and Thurman (2010). We show that the futures price volatilitiesin these markets are affected by the...
Persistent link: https://www.econbiz.de/10009446386
The paper examines empirical returns from holding thirty- and ninety-day call and put positions,and the forecasting performance of implied volatility in the live and feeder cattle optionsmarkets. In both markets, implied volatility is an upwardly biased and inefficient predictor ofrealized...
Persistent link: https://www.econbiz.de/10009446388
Grain prices have risen sharply since 2005 and 2006 affecting livestock markets by increasingfeed prices and leading to significant volatility shocks. The high price levels and magnitude ofsustained high volatilities has raised concerns for many sectors of the economy, in particularthose with...
Persistent link: https://www.econbiz.de/10009446389