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The paper deals with institutional change in Poland. The accompanying pherlomenon is an escalating wave of entrepreneurial ventures. They take on different legal forms. The most popular, limited liability companies, emerge in the private, the cooperative, and the state sectors, and often across these sectors. These developments give rise to new interest groups which generally support a market reform. The conflict between the market oriented sector and the administered sector becomes one of the main factors influencing the economic policies of the state. In the paper, the development of the private sector is analyzed with the use of measures relating to the proportion of revenues from the private sector in the total state budget revenues.

Angular distributions of protons, deuterons, tritons, alpha particles and 8Be ions have been measured for the system 13C+9Be at CM energies around 11.6 MeV. The compound nucleus contribution was calculated on the basis of the Hauser-Feshbach statistical model and explains the proton, deuteron and triton spectra remarkably well. Other processes must, however, be present in the alpha and 8Be spectra; DWBA calculations of particle and cluster transfer reactions give no quantitative agreement. The situation seems to be similar to the system 12C+9Be.