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A stochastic Ramsey model is studied with the Cobb-Douglas production function maximizing the expected discounted utility of consumption. We transformed the Hamilton-Jacobi-Bellman (HJB) equation associated with the stochastic Ramsey model so as to transform the dimension of the state space by changing the variables. By the viscosity solution method, we established the existence of viscosity so...

In panel stochastic frontier models, the Fixed Effects (FE) approach produces biased technical efficiency scores when time-invariant variables are important in the production process, and the Random Effects (RE) approach imposes distributional assumptions about the inefficiency. Moreover, technical efficiency scores obtained from these models are biased when the sample contains a large number o...

ABSTRACT Rice is one of the staple food crops that needs to be improved in production management with aim increasing technical efficiency. Improved efficiency can done by utilizing factors rice optimally. Pematang Bandar Sub-district 2016 became a barn Simalungun Regency, but last few years productivity has fluctuated. sub-district 8,114.3 Haharvested area 6.1 Tons/Ha productivity. The low clos...

Ikan gurami tergolong komoditi budidaya perikanan air tawar yang produksinya kurang bersaing dengan ikan-ikan lainnya. Tujuan riset ini untuk menjabarkan tingkat efisiensi teknis dan menganalisa faktor-faktor mempengaruhi dicapai pada usaha pembesaran ikan di Desa Bendiljati Wetan, Kecamatan Sumbergempol, Kabupaten Tulungagung. Lokasi ditentukan sengaja. Peternak sampel berjumlah 30 orang, dipi...

The paper is concerned with several kinds of stochastic frontier models whose likelihood function is not available in closed form. First, with output-oriented stochastic frontier models whose one-sided errors have a distribution other than the standard ones (exponential or half-normal). The gamma and beta distributions are leading examples. Second, with input-oriented stochastic frontier models...

Limitless study that conducted on moringa farming inversely to the benefits have been felt by many people. Both as herbal medicine and an alternative vegetable. The research has purpose get know about economical used community with examining economic efficiency of in Blora Regency precisely Moringa Organic Indonesia Corp. Information data were obtained from twenty respondents farmers who cultiv...