@article{(Open Science Index):https://publications.waset.org/pdf/3319, title = {Changing of Macroeconomics under Influence by Internal and External Powers}, author = {E. Pyle}, country = {}, institution = {}, abstract = {This paper shows that the economy of any country can be presented as three different shells such as: economic shell of a big, a medium and a small business. The new concepts were introduced such as: volume of an economic shell, coefficient of shell-s expansion (compression) etc. These shells can expansion or compress under action by internal or external powers and when shell expansions - it means the rising of a business activity and compression shows us that economy goes on recession. This process of an expansion or a compression can develop in the various ways like linear, logarithm or any other mathematical laws.}, journal = {International Journal of Economics and Management Engineering}, volume = {3}, number = {6}, year = {2009}, pages = {696 - 703}, ee = {https://publications.waset.org/pdf/3319}, url = {https://publications.waset.org/vol/30}, bibsource = {https://publications.waset.org/}, issn = {eISSN: 1307-6892}, publisher = {World Academy of Science, Engineering and Technology}, index = {Open Science Index 30, 2009}, }