Question

In: Economics

(11.7) Let the demand for money in the economy be given by 150,000 - [Inflation (%)]...

(11.7) Let the demand for money in the economy be given by 150,000 - [Inflation (%)] 3 . Calculate the amount of revenue raised through the inflation tax for inflation rates up to 50% (a spreadsheet would help!). What inflation rate maximizes revenue?

Solutions

Expert Solution

Given that the demand for money = 150,000 - [Inflation (%)^3]

inflation tax is given by = (inflation/100) x (150,000 – (% inflation)^3 = 1500 x inflation % - (inflation %)^4/100

For inflation rates 0% to 50%, we find the schedule of money demand and inflation tax. Find the optimum / revenue maximizing inflation tax by finding the derivative of the tax function and equating it equal to 0

1500 - 4*inflation%^3/100 = 0

150000/4 = inflation%^3

This gives the revenue maximizing inflation tax = 37500^1/3 = 33.47%.

Inflation rate Money demand Inflation tax
1 149999 1499.99
2 149992 2999.84
3 149973 4499.19
4 149936 5997.44
5 149875 7493.75
6 149784 8987.04
7 149657 10475.99
8 149488 11959.04
9 149271 13434.39
10 149000 14900
11 148669 16353.59
12 148272 17792.64
13 147803 19214.39
14 147256 20615.84
15 146625 21993.75
16 145904 23344.64
17 145087 24664.79
18 144168 25950.24
19 143141 27196.79
20 142000 28400
21 140739 29555.19
22 139352 30657.44
23 137833 31701.59
24 136176 32682.24
25 134375 33593.75
26 132424 34430.24
27 130317 35185.59
28 128048 35853.44
29 125611 36427.19
30 123000 36900
31 120209 37264.79
32 117232 37514.24
33 114063 37640.79
34 110696 37636.64
35 107125 37493.75
36 103344 37203.84
37 99347 36758.39
38 95128 36148.64
39 90681 35365.59
40 86000 34400
41 81079 33242.39
42 75912 31883.04
43 70493 30311.99
44 64816 28519.04
45 58875 26493.75
46 52664 24225.44
47 46177 21703.19
48 39408 18915.84
49 32351 15851.99
50 25000 12500

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