Research
Research and methodology.
Selected work on themes, value chains and company exposures, with notes on how we approach it. PDF editions and our full methodology are available on request.
Measuring exposure from disclosure: Corning and photonics
Corning's largest business, by its own reporting, is optical communications. We show how its own disclosures establish membership of our photonics theme, how we measure the theme's share of its revenue, and why our figure differs from the one Corning publishes.
Thematic universes without hindsight
Selecting a theme's members from today's market overstates the theme's history. This note sets out the three sources of that bias and the four rules we use to remove it.