TY  - BOOK
AU  - Frantz,Roger S.
TI  - X-efficiency: theory, evidence and applications 
SN  - 0898382424 :
U1  - 338.06 
PY  - 1988///
CY  - Boston
PB  - Kluwer Academic Publishers
KW  - Industrial productivity
KW  - Technological innovations
KW  - Economic aspects
N1  - Includes bibliographical references and index
ER  -