This paper examines the transferability of Green Revolution technologies in Sub-Saharan Africa through the assessment of a technology training project in Northern Ghana. The main results are as follows: First, the training project successfully improved the adoption rates of four technologies: dibbling in line/drilling, bund building/repairing, modem varieties, and fertilizer usage. Second, the adoption rates became higher in villages where longer time had passed since the training. Third, inter-village diffusion of technology took longer time than intra-village one.

This study investigates the effect of corporate governance structure on the quality of accounting information disclosure using Shenzhen stock exchange data. Existing literatures reported that corporate governance can help to improve accounting quality. However, China's corporate governance structure may have different consequences from prior studies because it has less maturity than developed countries in Europe and the United States. China government, in particular, has a very strong influence on the companies in China and we needs to be verified if the corporate governance structure works properly. From the empirical tests, we find that the proportion of stateowned shares, the proportion of tradable shares, ownership concentration, the size of the board of directors, the proportion of ownership of the board of directors, and size of the board of supervisors are positively associated with the quality of accounting information disclosure. This study will contribute to academics and practitioners by documenting the factors of corporate governance structure on accounting disclosure quality in China.

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PurposeTotal farmland value exceeds its value in agriculture but is not directly perceptible to villagers in China. Thus, the exceeded part is often neglected when discussing farmer’s land transaction decision. This study aims to revisit the question about how land titling project affects farmer’s land renting-out and investigate how this unobservable land value would distort the intentional effects of land titling.Design/methodology/approachThis paper first modifies a two-period model by incorporating the unobservable part of land value into the farmers’ leasing decision problem. Following the implications from the theoretical analysis, this study then exploits the difference-in-differences and the triple-differences approach to confirm the distorting effects that are resulted from the unobservable land value.FindingsThe modified theoretical model of this study reveals that land titling would encourage farmers to rent out land when the unobservable land value is predicted to be low but discourage farmers’ willingness to rent-out when this value is predicted to be high. The core reason for this significant conclusion lands in the uncertainty of the unobservable land value. Empirical analysis then provided two evidences for this presumption. Furthermore, this study also gave a disproof of the argument that the uncovered discouraging effect is due to a stronger endowment effect.Originality/valueThis paper contributes to the literature by highlighting the unobservable land value in the farmers’ land-related decisions. This part of land value is always neglected in previous discussions about the land tenure system, but it would cause distorting effects especially in regions without private land ownership.