An equation explaining chief executive officer salary is

log

$($

salary

$)$

$^$

$=$

$4\mathrm{.}59$

$+$

$\mathrm{.}257$

$$

log

$($

sales

$)$

$+$

$\mathrm{.}011$

$$

roe

$+$

$\mathrm{.}158$

$$

finance

$($

$\mathrm{.}30$

$)$

$($

$\mathrm{.}032$

$)$

$($

$\mathrm{.}004$

$)$

$($

$\mathrm{.}089$

$)$

$+$

$\mathrm{.}181$

$$

consprod

$-$

$\mathrm{.}283$

$$

utility

$($

$\mathrm{.}085$

$)$

$($

$\mathrm{.}099$

$)$

$$

$=$

$209$

$,$

$$

$$

$2$

$=$

$\mathrm{.}357.$

The data used are in CEOSAL$1,$ where finance, consprod, and utility are binary variables indicating the financial, consumer products, and utilities industries. The omitted industry is transportation