By Wojciech Kosc in Warsaw Poland’s industrial production expanded 9.8% year on year in constant prices in September (chart), after growing 10.9% y/y the preceding month, unadjusted data from the statistical office GUS showed on October 20. The expansion came in above the consensus line and offered a positive surprise amidst worries of a looming economic slowdown due to the central bank’s fight with inflation and the ongoing energy crisis. A recovery in automotive production and oil refining drove the September increase, offsetting a slowdown in mining, energy, and food production, bank PKO BP…