Table 7 Cross-correlation exponents considering the GDP per capita and nominal interest rates (NIR).

From: Multi-fractal detrended cross-correlation heatmaps for time series analysis

Method/time-series

Region I

Region II

Region III

DFA\(_1\)/GDP

0.23 ± 0.01

0.049 ± 0.003

0.58 ± 0.02

DFA\(_1\)/NIR

0.418 ± 0.003

0.27 ± 0.01

0.021 ± 0.004

DFA\(_0\)/GDP

0.292 ± 0.007

0.80 ± 0.01

0.999 ± 0.003

DFA\(_0\)/NIR

0.368 ± 0.005

0.139 ± 0.006

0.21 ± 0.02

DCCA\(_1\)

0.296 ± 0.004

0.298 ± 0.004

0.50 ± 0.01

DCCA\(_0\)

0.432 ± 0.008

0.5735 ± 0.0004

0.81 ± 0.01