Abstract The objective of this work was to quantify the extraction and export nutrients by common bean (Phaseolus vulgaris) cultivars from different commercial groups with growth habits. experiment conducted using four cultivars: TAA Gol, BRS FC104, IPR Tuiuiú, Dama. Total dry matter (DM) nutrient accumulation in V4 (with four, six, eight three-leaflet leaves), R5, R7, R8, R9 stages determined,...

an indirect tarns-log production function was employed to estimate the demand functions for such inputs as: fertilizer, seed, pesticide, water recourse and machinery as subject to budget constraint and while using data related to cotton producers in the three provinces of north khorasan, khorasane razavi, and south khorasan in 2007-8. lagrange coefficients with relation to cotton producers in t...

This paper estimates open-economy macroeconomic models of the Chinese economy allowing for structural change caused by 1992 reforms. Unrestricted vector autoregressions, VARs, and cointegrating error correction models, VECMs, are estimated on quarterly data early reform period 1980–1992, late period, 1993–2018. Two long-run vectors identified, which can be interpreted as a long-run, money deman...

foreign direct investment has been a key topic in development literature for a long time. many economists have written articles on the on recipient’s macroeconomic variables, transfer of capital and technology. the improvement of managerial and human resources, promotion of foreign trade with its emphasized role on economic growth of recipients. other economists have an opposite view. they have...