<p>This is a vivid and personal account of 21st century banking excess. "How I Caused the Credit Crunch" traces seven years at the forefront of the credit markets - a tale from the heart of the bewildering banking maelstrom whose catastrophic collapse has plunged the world towards the worst recession since the 1930s. Tetsuya Ishikawa's story reveals how a young Oxford graduate finds himself in command of vast sums of other people's mone...