Input-output, input-input and output-output relationships in perfect and inperfect markets; production functions such as Cobb-Douglas, CES and Translog; Cost theory; decision making under risk an uncertainty; and econometric problems in estimation(Input-output, input-input and output-output relationships in perfect and inperfect markets; production functions such as Cobb-Douglas, CES and Translog; Cost theory; decision making under risk an uncertainty; and econometric problems in estimation)