The paper presents the characteristics of the Warmia and Mazury Province in terms of its environmental values and landscape amenities. This evaluation enabled to draw conclusions concerning the role they might play in the economic development of this region, as well as in the process of our integration with the European Union.

The adoption of a local spatial development plan in a commune or its part is connected with certain consequences resulting from the provisions of the resolution. Local spatial development plans drawn up for the area of the Trzcinica commune, including LPSD TRZCINICA WSCHODNIA and LPSD TRZCINICA ZACHODNIA, were analyzed in the study. The commune is obliged to allocate funds for the development of technical infrastructure in the commune, buying out land for public purposes related to the performance of own tasks of the commune, and satisfying claims of owners or perpetual usufructuaries in case the value of real estates decreases due to the provisions of a local spatial development plan. The profits from the implementation of the plan are often disproportionately low when compared with the costs of its execution. The increased income of the commune resulting from higher taxes and trading in real estates is related to higher prices of the estates sold by the commune, a higher real property tax, higher lease and rental fees, payments resulting from an increase in the value of real estates, adjacent fees and other real estate-related incomes.

The processes of space management require systemic presentation of many problems connected with spatial management and planning, spatial order, and investment processes. Space management optimization and efficiency can be achieved through management processes. Space management should be realized taking into account individual conditions of investment. The paper presents a proposal for a feasibility study of non-typical investments, considering an individualized criterion of profitability based on the individual value of a real estate.

Both ecological and economic development induce changes in land use. The slow, but permanent reduction in the arable land acreage makes it necessary to optimise its organization in order to maximize the economic results of agricultural production. Each interference, in the form of e.g. road construction, building of industrial plants or implementation of other large-scale investments, is connected with an increase in the costs incurred by farmers. The arable land affected by negative results of investments should undergo spatial reorganization within the shortest possible time. Due to years of neglect in agrarian structure transformations in rural areas, the land reorganization operations undertaken at present must take into account both current changes and patchiness. The type of investments affecting farm organization, as well as the degree of land fragmentation, make it necessary to treat each farm individually. There is no doubt that land rearrangement and improvement are necessary, even if the changes introduced are merely cosmetic.

The paper describes a system of town and country planning, legal forms of land management, and farm structure in France. Special emphasis was placed on the spatial conditions of family farm development, their legal status and internal structure. The conditions providing a basis for rational spatial economy were determined taking into account the legal aspects of family farm development, protection of property rights and the specific character of lease. An attempt was also made to analyze the solutions applied in the past, pointing to their advantages and disadvantages, threats and opportunities.

The objective of the study was to analyze and determine tendencies of changes in the land tenure structure in the years 1996–2002. Land belonging to individual owners, as well as the State Treasury or local governments, was analyzed. The results of the study may provide the basis for pre-planning and improvement of agrarian structure, land consolidation and rearrangement.

Widely understood computerization and the continually growing value of information in the aspiration for creating a modern "informative economy", as well as advanced computer techniques, enable to systemize and unify the economic and social processes often presented in the form of developed statistical and mathematical models. Building statistical models involves many stages, and one of the most important among them is the selection of model variables. This paper presents a preliminary method for variable selection with non-classical assumptions while developing a regression model, connected with non-linearity of the phenomena taking place on the real estate market.

The paper discusses the basic assumptions behind a modified model of real estate mass appraisal, and presents an analysis of cadastral value stability under conditions of its application. The results obtained indicated the significance of weights of real estate attributes and interdependences between the characteristics of the representative real estate and real estates subjected to valuation. Particular attention should be paid to this elements during the implementation of the above model, to ensure the reliability of cadastral values.

The paper presents the results of research on the profitability of letting land real estates on perpetual lease in comparison with their sale, and procedures of performing such analyses. The results obtained show that from the economic point of view sale is more profitable than letting land real estates on perpetual lease, which was illustrated with an example.