Open AccessPENDUGAAN PERMINTAAN MASUKAN DAN PENAWARAN KELUARAN USAHA BUDIDAYA PEMBESARAN LELE DI KOLAM (STUDI KASUS DI KABUPATEN TULUNG AGUNG, PROPINSI JAWA TIMUR)
Author(s) -
Tajerin Tajerin,
Muhammad Zainul Bahar Noor
Publication year - 2004
Publication title -
jurnal perikanan universitas gadjah mada/jurnal perikanan universitas gadjah mada
Language(s) - English
Resource type - Journals
eISSN - 2502-5066
pISSN - 0853-6384
DOI - 10.22146/jfs.9039
Subject(s) - catfish , physics , economics , profit (economics) , ordinary least squares , econometrics , microeconomics , fishery , biology , fish <actinopterygii>
The objective of this study was to estimate input demand and output supply for catfish growth out. The study was conducted in Tulung Agung regency, East Java from August to December 2002. Data were analyzed statistically by profit function model, using Three-Stages Least Square estimation. The results of this study showed that the catfish price was elastic and responsive to the changes of catfish seed and feed prices, but inelastic to the changes of human labor. The catfish price had positive effects on variables input demand and output supply. These positive effects were more significance than the negative effect of variables input price