Regarding the key research issues for exporters, the presence of market resources such as oil, soil, timber, and minerals increases a country’s wealth. It also leads to increased development of infrastructure. Additionally, the market resources are needed for production processes if a company is considering sourcing goods from an international market or setting up a production site in the target market.Therefore, the correct option is (e) All of the above.Key research issues for exporters involve having an in-depth knowledge of the target market. Exporters need to have a clear understanding of the target market's political environment, economic conditions, legal structures, and culture. Furthermore, the availability of market resources such as oil, soil, timber, and minerals is essential for exporters to consider before expanding into the target market.To summarize, the presence of market resources such as oil, soil, timber, and minerals increase a country's wealth, lead to increased development of infrastructure and are needed for production processes if a company is considering sourcing goods from an international market or setting up a production site in the target market.