Nonstationarity in the levels of spot exchange rates and domestic and foreign price indices makes the use of conventional tests of the absolute version of purchasing power parity (PPP) inappropriate.

Two months away from an impending October 1958 ban on atmospheric nuclear testing, the US Defense Nuclear Agency rushed to test an audacious new defensive capability - man-made radiation belts.

A driving instructor has exposed the frequent error many learners commit during their driving test, succumbing to the pitfall of "not doing proper observations at ...

A PET scan is an imaging test that lets your doctor check for diseases in your body. The scan uses radioactive tracers that highlight problems at a cellular level. A positron emission tomography (PET) ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Our second ever Global B2B Marketing Agencies Benchmarking Report is back and it is showcasing the best-of-the-best in B2B across the globe, from the UK to the US and beyond. If you're looking for ...