Low productivity of pineapples in West Java Province is mainly due to the unfavorable climate and farmers' inability to adopt the technology fully. Objectives of the study were to analyze of technical efficiency and to examine the determinants of inefficiency by estimating land productivity, ratio of pineapple farm income to labor cost, R/C ratio, age, experience, education, total farmers' household members, membership of farmers' group, and intercropping practice. The study used data collected through a survey from 140 rural households in Subang Regency, West Java Province. Data Envelopment Analysis (DEA) results showed that pineapple production of farmers are technically inefficient with the mean technical efficiency level of 55.2 percent for CRS-DEA, 78.8 percent for VRS-DEA, and 70.4 percent for SE-DEA, respectively. Land productivity, R/C ratio, and farmers' group membership influenced negatively and significantly on inefficiencies. Intercropping practice affected significantly the technical inefficiency of pineapple production. The findings suggested that improving pineapple production is possible by applying monoculture cultivation and supporting farmers' group activities. Fully applied good agricultural practice (GAP) will enhance land productivity and R/C ratio. Keywords: Data Envelopment Analysis (DEA), technical efficiency, Tobit regression analysis ABSTRAKRendahnya produktivitas produksi nanas di Provinsi Jawa Barat umumnya disebabkan faktor iklim dan ketidakmampuan petani untuk menggunakan teknologi seutuhnya. Tujuan dari penelitian ini adalah untuk menganalisis tingkat efisiensi teknis dan untuk menguji faktor yang menentukan inefisiensi teknis dengan mengestimasi produktivitas lahan, rasio pendapatan nanas terhadap biaya tenaga kerja, rasio R/C, umur, pengalaman, pendidikan, jumlah anggota keluarga, anggota kelompok tani, dan pola tanam tumpangsari. Penelitian ini menggunakan data yang didapatkan dari survei 140 rumah tangga petani di Kabupaten Subang, Provinsi Jawa Barat. Hasil Data Envelopment Analysis (DEA) menunjukkan bahwa petani tidak efisien secara teknis dalam produksi nanas dengan rata-rata tingkat efisiensi teknis masing-masing sebesar 55,2 persen untuk model CRS-DEA, 78,8 persen untuk model VRS-DEA dan 70,4 persen untuk model SE-DEA. Model regresi Tobit dalam menghitung faktor yang menentukan inefisiensi teknis mengungkapkan bahwa produktivitas lahan, rasio R/C, dan keanggotaan kelompok tani memiliki pengaruh yang negatif dan signifikan, sedangkan aplikasi pola tanam tumpangsari berpengaruh positif dan signifikan pada inefisiensi teknis produksi nanas. Temuan ini menyarankan produksi nanas di lokasi penelitian akan meningkat secara signifikan dengan mengaplikasikan pola tanam monokultur, mendukung kegiatan kelompok tani, serta meningkatkan produktivitas lahan dan rasio R/C dengan mengaplikasikan GAP sepenuhnya.

Low productivity in horticulture is mainly due to the inability of the farmers to exploit the available technologies fully, resulting in lower efficiencies of production. Data Envelopment Analysis (DEA) is used to estimate technical, allocative and economic efficiency also Tobit regression is used to determine factors of technical and economic inefficiency in the pineapple cultivation on 142 farmers in West Java Province, Indonesia. The study has indicated that most of the pineapple farms have shown technical, allocative and economic inefficiency problems. Data Envelopment Analysis (DEA) results showed that farmers were inefficient in the pineapple production with mean technical, allocative and economic efficiency level of 70.1%, 34.1% and 24.1%, respectively. A Tobit regression model results on the determinants of fifteen socioeconomic , demography and institutional variables revealed that land productivity had positive and significant contribution on technical and economic efficiency. Market distance and capital productivity had positive and significantly influenced the technical efficiency and labor productivity also land ownership had positive and significant contribution to the economic efficiency. Counseling and off-farm income contributed negatively to the technical efficiency and farmer experience also contributed negatively to the economic efficiency. These finding suggests that pineapple production in the research location would be significantly improved by cultivating on farmer's own land and getting better counseling from about the pineapple's good agricultural practices.