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To the surprise of many, price deviations between markets characterized by imperfect competition have often been little … lower transport costs are, in many cases, associated with greater price differentials between markets. The intuition is that … differentiation and costs of segmenting. -- price discrimination ; market integration ; law of one price …
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aim of avoiding the estimation of unidentified models. Misspecification tests are derived for evaluating an estimated …
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This paper contains a forecasting exercise on 30 time series, ranging on several fields, from economy to ecology. The statistical approach to artificial neural networks modelling developed by the author is compared to linear modelling and to other three well-known neural network modelling...
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