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Articles by Md. Azizul Baten
Total Records ( 3 ) for Md. Azizul Baten
  Md. Azizul Baten and A.A. Kamil
  This study is concerned with the optimal control of inventory-production system subject to generalized Pareto distributed deterioration items. We formulated the model as a linear optimal control problem. This study deals with continuous review policy to solve the optimal control model. We obtained an explicit solution using Pontryagin maximum principle. We derive explicit optimal policies for the inventory model. It is then numerical illustrated with sidered as the sinusoidal function of time then it does not show the convergence of the optimal level. Whenever, if we take the inventory goal level is fixed the help different demand patterns examples. Whenever the goal inventory level is con then it shows the convergence of the optimal inventory towards inventory goal level. The solution of the second-order differential equation is represented and shows the state of optimal inventory level is increasing but converges initially for the certain period of time. In this case, we found the optimal production level with time shows the slight variations with changing the shape of the demand functions. It is observed that the optimal production rates are not very sensitive to changes in the demand functions in case of generalized Pareto distribution.
  Md. Azizul Baten , Monsur Ahmed Chowdhury , Anton Abdulbasah Kamil and Rumana Momtaz
  Problem statement: Increasing growth of population and shortage of producing capacity in Bangladesh have caused serious unemployment crisis and has forced the authorities to look for ways to reduce unemployment rate. Due to difference of structure and technology used in economic sectors and activities, the effects of factors on employment are different. So, for the purpose of findings alternatives to reduce unemployment rate in Bangladesh, it is necessary to estimate employment functions in all sectors and activities, analyze the most important factors and variables on these functions. Approach: In this study an attempt had been made to estimate short-run employment functions in manufacturing industries of Bangladesh, which are one of the most important sectors that has formed meaningful percent of country employment and gross national production. Adjustment of employment to its desired level and short run returns to employment had been explored in this study. Results: The model type I in comparison to the model type II of the relationship between value added and employment, which had been found to fit quiet well in Bangladesh manufacturing industries. The results showed that 1% increase in gross value added leads to 0.379% increase in employment. The coefficient of lagged employment is positive, indicated that the level of previous years employment increases the present year employment. Conclusion: The result also showed that the employment is negatively related to the real wage rate and the elasticity of employment with respect to real wage is about -0.251. The growth rate of value added exceeded the growth rate of employment in manufacturing industries in Bangladesh.
  Md. Zobaer Hasan , Anton Abdulbasah Kamil , Adli Mustafa and Md. Azizul Baten
  This study analyzes the technical efficiency of selected groups of companies of Bangladesh Stock Market that is Dhaka Stock Exchange (DSE) market using a stochastic frontier production function approach. This research considers Cobb-Douglas Stochastic frontier model with truncated normal distribution and both the time-variant and time-invariant inefficiency effects are estimated. The studied input variables-market return, market capitalization, book to market ratio and market value show significant relationship with the stock returns. The estimated average technical efficiency of DSE market is 95.42% of potential output for the truncated normal distribution over the period 2000-2008. The results show that technical efficiency gradually decreases over the reference period. The value of technical efficiency is high for investment group and low for bank group in time-variant situation whereas the value of technical efficiency is high for investment group also but low for ceramic group in time-invariant situation.
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