Complex sentence: His successor Nigel Lawson was also a believer in a fixed exchange rate, and although he was a mild Eurosceptic he admired the low inflationary record of West Germany, attributing it to the strength of the Deutsche Mark and the management of the Bundesbank.
Split into simpler sentences: His successor Nigel Lawson, a believer in a fixed exchange rate, admired the low inflationary record of West Germany. He attributed it to the strength of the Deutsche Mark and the management of the Bundesbank.