This Article Gives a Summary Description of Trio, an Interactive Graphic Program Developed for the Formulation and Simulation of Regression Models Belonging to Three Broad Classes and the Analysis of and Reporting on Data and Model Results. the General Design of the Data Bank and the Structure...

In Order to Compute an Index of Total Factor Productivity, It Is Necessary to Know Returns to Scale and Interval Valuations of Quasi-Fixed Factors; Neither Are Directly Observable. in Resource Industries This Problem Is Compounded by the Facts That Returns to Scale Are Important and That There...