For over a quarter of a century, the author has ventured systematically into the emerging field of international political economy, an area traditionally dominated by political scientists.

Crossing Frontiers - the title refers both to national and disciplinary boundaries - brings together for the first time a dozen of his essays.

These essays exhibit a pragmatism, a preference for practical applications over abstract theory, and a willingness to face the complexity of the real world rather than adopt simplifying assumptions.