The Reaction of Prices of Rape in Poland to Changes in Stock Index – Econometric Conceptualization

Abstract

The authors of the article examined the linear correlation between indexes WIG20 and WIG-food and prices of rape in Poland. Based on the collected data to be constructed econometric model, in which the quarterly price of rape in Poland since 2004 to 2016, depend on the explanatory variables: time and exchange quotations of index WIG-food. This model has been estimated, validated statistically, and then used to enumerate the point forecasts the price of rape in Poland in the first two quarters of the year 2017.