1 The point where this line intersects the y axis, in other words the intercept of the regression line, could be regarded as an estimate of the trend growth, given that such a rate of growth would leave the unemployment rate unchanged. Looking at the data after 2001, we can see that the relationship between unemployment and growth has changed.
The authors show that an increase in EPU temporarily reduces debit card payments and raises the ratio of ATM withdrawals to POS payments, signaling an increase in the preference for cash.