Testing the law of one price in food markets: evidence for Colombia using disaggregated data

This paper applies stationarity tests to examine evidence of market integration for a relatively large sample of food products in Colombia. We Önd little support for market integration when using the univariate KPSS tests for stationarity. However, within a panel context and after allowing for cross sectional dependence, the Hadri tests provide much more evidence supporting the view that food markets are integrated or, in other words, that the law of one price holds for most products.

Sistema de protección de Habeas Data

El desarrollo que está presentando el tema, hace que la información al respecto resulte algo limitada, no es mucha la literatura que hasta el momento se haya producido, especialmente en países donde la vida del Habeas Data es más corta. Por ello es que nuestra investigación resulta una herramienta