4. Determine whether it shows a linear trend, quadratic trend or exponential trend (e.g. using the first differences, second differences or decay or growth factor) a) Year Goose Population 1 2 b) 23 3 45 4 5 6 Year 0 1 2 3 1190 1250 1310 1380 1455 1530 New Teacher Hires 45 44 41 36 29

4. Determine whether it shows a linear trend, quadratic trend or exponential trend (e.g. using the first differences, second differences or decay or growth factor) a) Year Goose Population 1 2 b) 23 3 45 4 5 6 Year 0 1 2 3 1190 1250 1310 1380 1455 1530 New Teacher Hires 45 44 41 36 29

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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The populations of Abu Dhabi (National, Non-National, and Total) and UAE are shown in the following table Year Abu Dhabi UAE Nationals Non-nationals Total 1980 89880 361,056 1985 114090 430,054 1990 185944 556,389 1995 218716 719,836 2000 282,396 846,267 2005 343237 1,049,207 1,016,789 1,350,433 1,811,457 2,350,192 3,050, 127 4,481,976 What are the average annual population growth rates in Abu Dhabi (National Non-National, Total) and in the UAE during 1980-1985, 1985-1990, 1990-1995, 1995-2000 and 2000-2005? Only give the answer for the underlined groups.
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21 Using the table below, find the average duration, the minimum duration, and the maximum duration of expansions in the United States since 1929. Recession Duration (months) Highest Unemployment Rate (%) 24.9 Duration of subsequent expansion (months) 50 Peak date Trough date (end) Mar. 1933 Change in real GDP (%) (beginning) Aug. 1929 May 1937 Feb. 1945 00:58:27 43 --28.8 June 1938 13 19.0 -5.5 80 Skipped Oct. 1945 8. 3.9 -8.5 37 Nov. 1948 Oct. 1949 11 5.9 -1.4 45 July 1953 Aug. 1957 Apr. 1960 Dec. 1969 May 1954 Apr. 1958 Feb. 1961 10 5.5 -1.2 39 8. 6.8 -1.7 24 10 6.7 2.3 106 Nov. 1970 11 5.9 0.1 36 Nov. 1973 Mar. 1975 16 8.5 -1.1 58 12 July 1980 Nov. 1982 Jan. 1980 6. 7.6 -0.3 -2.1 92 July 1981 July 1990 Mar. 2001 16 9.7 Mar. 1991 8° 7.5 -0.9 120 Nov. 2001 8 5.8 0.8 73 Dec. 2007 June 2009 18 10.0 -4.1 na Instruction: Enter your responses as whole numbers. me Average duration: Minimum duration: Maximum duration: Are expansions getting longer or shorter on average over time? (Click to…
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