Schroeter, John

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Agricultural trade liberalization and downstream market power: some extensions

2010-03-26 , Hoque, Mohammad , Schroeter, John , Schroeter, John , Economics

Exports of agricultural commodities to developed countries play a significant role in the economies of many developing countries. The elimination of import tariffs has the potential to benefit producers in the developing countries, but estimates of the effect of trade liberalization typically assume perfect competition. Significant concentration in the food processing and retailing sectors of the U.S. and the EU undermine the plausibility of this assumption in the case of agricultural trade, however. Sexton, Sheldon, McCorriston, and Wang (SSMW, 2007) developed a model of the effects of trade liberalization that accounts for the vertically-linked and concentrated characteristics of the developed countries’ food markets. Their principal qualitative finding is that an analysis based on the assumption of competitive conduct will overstate the effects of trade liberalization if food processing and retailing firms exercise market power. This result is sensitive to their choice of functional forms, however, as this paper demonstrates with an analysis in which SSMW’s linearity assumption is replaced by constant elasticity specifications for supply and demand. We also extend the SSMW analysis by considering ad valorem tariffs, a case for which the results exhibit both qualitative and quantitative differences from those for the unit tariff case.

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Captive supplies and cash market prices for fed cattle: a dynamic rational expectations model of delivery timing

2007-01-18 , Schroeter, John , Schroeter, John , Economics

Several empirical analyses of data from fed cattle markets have found a negative correlation between a region's weekly delivery volume of captive supply cattle and contemporaneous price in the local cash market. This negative correlation has been cited as evidence of a causal relationship between the two variables; a relationship in which buyers (beef packing plants) use captive supply procurement as an instrument to depress prices paid to cash market sellers (feeders). This paper investigates circumstances under which this empirical regularity might emerge as a benign artifact of buyer and seller behavior in a fed cattle market in which both sides are price takers. One feature of these markets is that sellers of both marketing agreement (the predominant captive supply procurement method) cattle and spot market cattle have some flexibility in scheduling delivery in order to take advantage of expected price changes. The effect that this type of inter-temporal arbitrage has on the dynamics of price and captive supply is investigated using simulation methods applied to a rational expectations model of delivery timing incentives.

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Evaluating Advertising Using Split-Cable Scanner Data: Some Methodological Issues

1989-03-01 , Jensen, Helen , Schroeter, John , Schroeter, John , Center for Agricultural and Rural Development

Relatively new split-cable scanner data collection methods have facilitated controlled market tests of household responses to food commodity promotion. Analysis of such data from a fresh-beef advertising experiment in Grand Junction, Colorado, showed that although experimental advertising failed to increase the level of demand, it did appear to influence feature-price buying patterns. There was an increase in demand for beef over the advertising period, unrelated to the effects of the experimental advertising itself.