Insider guarantees play a crucial role in corporate finance. In small and medium companies shareholders frequently guarantee business debts towards a professional creditor, often the bank. In corporate groups, group companies often guarantee each other's debts towards a lender. The economic dynamics involved are however poorly understood. This book gives an in-depth overview of the economic dynamics involved and reviews the legal regulation of these dynamics in the legal systems of the US, Germany and the Netherlands. The guarantee relationship can lead to efficiency gains, but is also...