According to the NPS, park rangers seeking permanent employment (not seasonally, like summer park rangers) earn starting salaries anywhere from $20,908 for a GS-5 to $31,680 for a GS-9. The employee level and salary depends on the experience and college degree of the applicant.
UNDERSTANDING YIELD CURVES A yield curve is a line graph that illustrates the relationship between the yields and maturities of fixed income securities. Yield curve graphs provide a quick way to review and compare the yields that different types of fixed income securities offer, and to determine investor expectations for market conditions in the future.
The yield curve function Y is actually only known with certainty for a few specific maturity dates, while the other maturities are calculated by interpolation (see Construction of the full yield curve from market data below).