It takes the Earth one year to orbit the Sun and it takes Mars about 1.9 years (say 2 years for easy calculation) to orbit the Sun. The elliptical orbit which carries you from Earth to Mars is longer than Earth's orbit, but shorter than Mars' orbit.
Equity theory was first developed in 1963 by John Stacey Adams, a workplace and behavioral psychologist, who asserted that employees seek to maintain equity between the inputs that they bring to a job and the outcomes that they receive from it, against the perceived inputs and outcomes of others.
John Burr Williams was a 20th-century economist, recognized as a founder and developer of fundamental analysis, and for his pioneering analysis of stock prices as reflecting their âintrinsic value.â He is best known for his 1938 text The Theory of Investment Value, based on his Ph.D. thesis, which was amongst the first to articulate the theory of Discounted Cash Flow based valuation, and in particular, dividend based valuation.