Theses and Dissertations at Montana State University (MSU)
Permanent URI for this collectionhttps://scholarworks.montana.edu/handle/1/733
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Item Farm mechanics practices and interests of high school Vo-Ag students(Montana State University - Bozeman, 1955) Howey, Robert S.Item Difficulties in securing farm machinery projects in vocational agricultural shops(Montana State University - Bozeman, 1954) Freebury, Donald L.Item Modification of grain drill openers to place fertilizer below the seed(Montana State University - Bozeman, College of Agriculture, 1985) Palmer, John ThomasItem A decision model of combine ownership(Montana State University - Bozeman, College of Agriculture, 1975) Lai, Haifie LooItem Software development for automatic steering and implement control of agricultural equipment utilizing the global positioning system and a geographic information system(Montana State University - Bozeman, College of Agriculture, 1994) Mosdal, Brian ThomasItem Economic consequences of varying machinery combinations on dryland spring wheat farms(Montana State University - Bozeman, College of Agriculture, 1956) Andrilenas, PaulItem The Montana farm mechanics program in vocational agriculture(Montana State University - Bozeman, College of Agriculture, 1941) Welker, William JosephItem Effects of taxes and age on depreciation : the case of combine harvesters(Montana State University - Bozeman, College of Agriculture, 1990) Goroski, John Michael; Chairperson, Graduate Committee: Joseph Atwood.Economic depreciation of the total capital stock of a physical asset is determined by the flow of services used in productive activities and by the size of the capital stock. Previous research studies have attempted to analyze economic depreciation by modeling the flow of services. These studies have often failed to fully specify the model by not including important asset specific explanatory variables, and their models were often estimated with restricted functional forms, which implicitly limited the pattern of economic depreciation. This study, on the other hand, uses a flexible functional form which models price as an exponential quadratic function of age, and thus allows the pattern of economic depreciation to be dervied within the model. The behavior of used asset prices are also estimated as an explicit dynamic process which permits a stronger statistical test of the results. In examining the economic depreciation of combine harvesters, this study utilizes specific explanatory variables to account for the effects of changes in the tax code, shocks in demand, and quality and technology differences across combine harvester models. The major empirical results of this study state that depreciation rates are not constant across different ages of combine harvesters and that depreciation rates and patterns are not stable with respect to changes in tax codes. These results present evidence that if further examination of either economic depreciation or optimal replacement problems are to be solved in an internally consistent manner, a more flexible functional form of the used asset price equation must be utilized such as the flexible funtional form used in this study, and changes in the tax code must be included as a specific explanatory variable.