Indicadores antecedentes de atividade econômica do Rio Grande do Sul

Abstract

This study aims to build a monthly system of composite leading indicators for the economic activity in the state of Rio Grande do Sul. We used the concept of the growth cycle, based on the methodology proposed by the OECD. The proxy variable for the level of activity used was the industrial production of the state. For extracting cyclical components were used both the Hodrick-Prescott (HP) filter and Christiano-Fitzgerald (CF). Starting from a universe of 456 series, by testing cross-correlation, Granger causality and the using the Bry Boschan(1971) algorithm, ten series were selected to compose the indicators. We constructed short and long-term indicators and a mixed model. The long-term indicators showed to be too unstable, this undesirable trait was transmitted to the mixed indicators. The short-term indicators showed satisfactory performance.