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A composite leading indicator for the Peruvian economy: Based on business tendency surveys conducted by the Banco Central de Reserva del PerĂº
Etter, Richard, (2011)
Estimating and forecatsing production and orders in maufacturing industry from business survey data: Evidence from Switzerland based on structural patterns from 1990-2000
Etter, Richard, (2002)
Coincident and Leading Indicators of Manufacturing Industry
Etter, Richard, (2004)