Using Wavelets to Understand the Relationship between Mortgages and Gross Domestic Product in Spain

Table 1

Relevant frequency indices of Spain INDEX.

db3	Irregularities or one-time exchanges	Most relevant frequency index	Monthly period
𝑑1	After 60, the most important one 129	48	4 months
𝑑2	After 60 the most important one 134	48	4 months