In This Paper We Present and Implement an Econometric Test of Both Negative Semi-Definiteness of the Matrix of Compensated Price Effects and of the Negative Quasi-Definiteness of the Matrix of Uncompensated Price Effects. This Test Allows Us to Evaluate Two Alternative Characterizations of...

Seasonal Effects in Qualitative Responses of Monthly Business Surveys, Modeled with Log-Linear Probability Methods, Can Be Extracted Like in Linear Regression Or Some Time Series Models by Using Dummy Variables. There Is Another Route to Extract the Seasonal Effect, Which Is to Unique to...

We Present Several Small-Sample Results on the Distribution of Residuals and Estimators of the Disturbance Variance in Econometric Models. We Consider General Linear and Nonlinear Models with Stochastic Regressors and Possibly Nonlinear Restrictions on the Parameters. These Include...