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Theory and Modern Applications

Table 6 Prediction of macroeconomic variables in 2009 to 2010

From: A new discrete economic model involving generalized fractal derivative

Variable

GDP

Exchange rate

Money supply

Exports/Imports

Prediction in 2009

14.602

1.21

22.424

1.0921

Actual data in 2009

12.525

–

–

3166/3299

Error

2.077

–

–

0.1324

Relative error

14.22%

–

–

12.12

Prediction in 2010

14.835

1.08

21.073

1.1081

Actual data in 2010

14.797

–

–

3879/4025

Error

0.037

–

–

0.1443

Relative error

2.49%

–

–

13.02%