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Purpose: This chapter looks specifically at the sources of economic policy uncertainty in Nigeria, and discusses their impact on the Nigerian economy while drawing implications for Africa. It identifies factors that transmit uncertainty in economic policy in Nigeria and draw implications for other African countries.

Methodology: This chapter uses a literature survey methodology to identify the sources of economic policy uncertainty in Nigeria.

Findings: The identified sources of economic policy uncertainty in Nigeria are: the frequent changes in central bank policy, unexpected changes in government policy, political interference, unexpected fall in global oil price, recession, and unethical practices.

Implications: The implication of the study is that rising economic policy uncertainty in Nigeria can have a significant effect on the Nigerian economy and for connected African countries.

Originality: Previous studies have not examined the sources of economic policy uncertainty in Nigeria.

Several parameters set economic growth, and one of them is innovation. Thus, it is vital to realize the proper motives for a firm to innovate. The key actors in innovation systems – such as firms, research institutions, academia, and standards developing communities – affect knowledge ­creation, contribute to its diffusion and use, and set the global innovation capacity. Additionally, the market-driven and the worldwide open paradigm may aid to ensure stable and reliable integration, interactive abilities, and active collaborations to drive international innovation and its ­concepts forward. The World Trade Organization (WTO) is an international organization that assembles principles to produce such standards as mentioned above, so as to ensure a prosperous future globally. Global cooperation, openness, interaction, and the generation of motives for innovation are some of the principles that WTO embraces, and all of these are to benefit humanity from free market and trade growth, leading to triumph through innovation. Overall, this chapter examines the significant role of WTO in trade policy uncertainty and how innovation is ensured and stimulated by WTO regarding the specific case of the Chinese market.

The aim of this study is to examine the effect of trade wars between countries on social factors. For this purpose, six different criteria are selected based on the comprehensive literature review. Additionally, fuzzy DEMATEL approach is considered to weight these criteria. The findings indicate that working life is the most significant criterion. However, free time and leisure and family are at the bottom of the list. Additionally, it is also defined that working life is the most influencing criterion. These results demonstrate that trade wars have the highest impact on the working life of the people. In other sayings, people’s fear of losing their jobs goes up in case of the trade wars. To solve this problem, companies should make official statements to their employees about the situation caused by the trade wars. By making clear explanations, uncertainties in this process can be minimized.

The USA–China trade confrontation has become a major concern for all the nations involved in international trade. The retaliatory trade policies taken by both of these major trading nations have generated widespread impact among the trading nations especially on the developing and emerging nations. In this chapter, the macro-theoretic model is developed to show how a trade war can potentially arise in the wake of economic downturn led by some demand contracting force in one of the countries having trade ties and in turn can cause the recession to leap into global turmoil. This may prompt the countries to be more protective and averse to international exchange, thereby paving way to more intense trade frictions among the nations and stoking international macroeconomic propagation. Thus, the present introspection hints at tariff war among the nations engaged in restricted trade with each other being a plausible consequence of macroeconomic fault having cross-country repercussion implication and that in turn becomes more pronounced in the present tariff war leading to more fierce trade frictions among the countries.