How does the CPI relate to other TI research products?
TI is an independent producer of empirical research on corruption. It has assembled a global research portfolio that combines qualitative approaches with quantitative ones, macro-level indicators with in-depth diagnostics, expert analysis with experience, as well as perceptions-based survey work. This body of research provides a comprehensive picture of the scale, spread and dynamics of corruption around the world. It also serves to mobilise and support evidence-based, effectively-tailored policy reform. TI’s portfolio of global research products includes: • Global Corruption Barometer (GCB): a representative survey of more than 70,000 households in more than 65 countries on people’s perceptions and experiences of corruption. The most recent Global Corruption Barometer was published on 3 June 2009 and can be found under: http://www.transparency.org/policy_research/surveys_indices/gcb. • Bribe Payers Index (BPI): a ranking of leading, exporting countries according to the likelihood of t
