Business Source Complete provides access to scholarly journals, industry reports, company profiles, and market research, encompassing every facet of a business, including marketing, finance, management, accounting, and more.

EconLIt, published by the American Economic Association (AEA), offers comprehensive coverage of economic theory, applications, and methodologies.

Academic Search Complete is a database of academic journals, magazines, and other scholarly resources, covering a wide range of subjects across the humanities, sciences, and social sciences. It's a great starting point for research, especially with its inclusion of many open access publications.