Earnings of mexican street vendors. refer to the world development (february 1998) study of street vendors in the city of puebla, mexico, exercise 4.6 (p. 184). recall that the vendors’ mean annual earnings, e(y), was modeled as a first-order function of age (x1) and hours worked (x2). now, consider the interaction model e(y) = β0 + β1x1 + β2x2 + β3x1x2. the sas printout for the model is displayed in the next column. (a) give the least squares prediction equation. (b) what is the estimated slope relating annual earnings (y) to age (x1) when number of hours worked (x2) is 10? interpret the result. (c) what is the estimated slope relating annual earnings (y) to hours worked (x2) when age (x1) is 40? interpret the result.

What is the best definition of a conclusion?

Verizon communications, inc., provides the following footnote relating to its leasing activities in its 10-k report. the aggregate minimum rental commitments under noncancelable leases for the periods shown at december 31, 2010, are as follows: years (dollars in millions) capital leases operatingleases 2011 $97 $1,898 2012 74 1,720 2013 70 1,471 2014 54 1,255 2015 42 1,012 thereafter 81 5,277 total minimum 418 $ 12,633 rental commitments less interest and (86) executory costs present value of 332 minimum lease payments less current (75) installments long-term obligation $257 at december 31, 2010 (a) confirm that verizon capitalized its capital leases using a rate of 7.4 %. (b) compute the present value of verizon's operating leases, assuming an 7.4% discount rate and rounding the remaining lease term to 3 decimal places. (use a financial calculator or excel to compute. do not round until your final answers. round each answer to the nearest whole number.)

In each of the following, what happens to the unemployment rate? does the unemployment rate give an accurate impression of what’s happening in the labor market? a. esther lost her job and begins looking for a new one. b.sam, a steelworker who has been out of work since his mill closed last year, becomes discouraged and gives up looking for work. c.dan, the sole earner in his family of 5, just lost his $90,000 job as a research scientist. immediately, he takes a part-time job at starbucks until he can find another job in his field.