Ho Chi Minh City (HCMC) is known as the economic leader of Vietnam. This city also makes a major contribution to Vietnam’s state budget revenue. The reality of the socio-economic development of HCMC reveals that the Foreign Direct Investment (FDI) sector has made important and effective contributions in terms of exports, state budget revenue, job creation and income.

Clarifying the main theoretical issues about economic efficiency of FDI in the province to apply to the study of FDI in Vietnam's localities. Proposing solutions to improve the economic efficiency of FDI in Vinh Phuc province by 2025 with scientific bases; thereby providing more scientific basis for local authorities in planning the policy of attracting FDI, renewing the management of FDI enterprises and improving the economic efficiency of FDI in the coming years.

The purpose of the thesis rearch is to propose a number of measures to advise the government and farmers to behave properly to improve the efficiency of tea production in Thai Nguyen, after analyzing the influence of price fluctuations of inputs on efficiency of tea production of households in the province.

Research objectives: The general objective of this dissertation is to propose solutions to enhance the economic efficiency in rice production for farming households in Can Tho city using estimates on economic efficiency and its determinants; estimating the economic efficiency in rice production by farming households in Can Tho city.