Plantronics is a global leader in audio communications for businesses and consumers. They have pioneered new trends in audio technology for 50 years, creating innovative products that allow people to simply communicate. From unified communication solutions to Bluetooth' headsets, they deliver uncompromising quality, an ideal experience, and extraordinary service. Plantronics is used by every company in the Fortune 100, as well as 911 dispatch, air traffic control and the New York Stock Exchange....
+See MoreSharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 7 February 2026
2018-05-17 07:41:00 Thursday ET

Has America become a democratic free land of crumbling infrastructure, galloping income inequality, bitter political polarization, and dysfunctional governa
2017-12-21 12:45:00 Thursday ET

Tony Robbins summarizes several personal finance and investment lessons for the typical layperson: We cannot beat the stock market very often, so it w
2019-04-30 07:15:00 Tuesday ET

Through our AYA fintech network platform, we share numerous insightful posts on personal finance, stock investment, and wealth management. Our AYA finte
2023-12-10 09:23:00 Sunday ET

U.S. federalism and domestic institutional arrangements A given country is federal when both of its national and sub-national governments exercise separa
2019-07-05 09:32:00 Friday ET

Warwick macroeconomic expert Roger Farmer proposes paying for social welfare programs with no tax hikes. The U.S. government pension and Medicare liabilitie
2017-05-07 06:39:00 Sunday ET

While the original five-factor asset pricing model arises from a quasi-lifetime of top empirical research by Nobel Laureate Eugene Fama and his long-time co