Inflation and oil prices

CPI Inflation rate (INF) from IMF - Monthly Consumer Price Index for All Items Proportional variation. Percentage during the corresponding period of the prior year. Exchange Rate (EXR) from IMF - Monthly Exchange Rates, Local Currency per US Dollar (LC/USD), End of Period. Lending Interest Rate (INR) from IMF - Monthly Interest Rates, Commercial Bank Lending Rates, Percentage per Annum. Crude Oil Price (WOP) from IMF - Monthly Crude Oil (petroleum) price, West Texas Intermediate (WTI) Benchmark, US$ per barrel. Index of Global Real Economic Activity (GEA) from FRB Dallas - Measures the deviations from long-term baseline trend and global aggregate demand in industrial commodity markets (serves as a proxy for shipping volume), be it positive index above trend level or negative below trend level (Kilian, 2009)