For a family of functions G, we define the G-variation, which generalizes power variation; G-variation swaps, which pay the G-variation of the returns on an underlying share price F; and share-weighted G-variation swaps, which pay the integral of F with respect to G-variation. For instance, the...

Volatility derivatives are a class of derivative securities where the payoff explicitly depends on some measure of the volatility of an underlying asset. Prominent examples of these derivatives include variance swaps and VIX futures and options. We provide an overview of the current market for...

Globalisation and technical change increase the intensity of competition within and between financial centres already subject to competitive pressures from an apparently highly mobile financial capital. However, financial production is shaped by its complex, socially constructed cultural...

Local Exchange Trading Schemes (LETS) are networks for exchanging goods and services using a local currency. They are seen by some as providing an `alternative' way of negotiating changing and complex livelihoods. Current literature on LETS and work understands participation as a response to...