"The focus is, first, on new trade policies in Africa for structural change. The framework of coherent and comprehensive trade policies is presented; the role of international organisations in promoting agricultural export trade is analysed; and the divergence between planned and actual export diversification strategies is discussed. Second, another focus is on new investment policies in Africa for structural change. It is investigated how investment policies could be redirected towards major economic sectors, like agriculture and manufacturing. It is also asked how oil-exporting countries can strengthen their industrial policy towards export diversification. It is also analysed how global value chains can be strengthened by appropriate policies. Third, there is a section with book reviews and book notes being related to the themes of volumes 18 and 19."