A file of correspondence and reports concerning the Bulgarian economy. The documents cover the results of the economic plans for 1981–1982; quarterly reports on the results for 1982; and the plan for 1983, covering industrial production, agricultural production, housing, national income, labour productivity, and foreign trade. Other documents in the file cover amendments to the New Economic Mechanism, which will concentrate on self-sufficiency, new methods of planning, and scientific and technical progress; and a speech on the economy delivered by the Bulgarian leader, Todor Zhivkov, which justifies the use of the new economic system as a flexible interpretation of socialist economic theory. The file also covers shortcomings in the housebuilding sector in Sofia; reports that some Western firms are experiencing delays in payment from Bulgarian enterprises; and talks with Bulgarian officials on trade within the Council for Mutual Economic Assistance.