24 Volt Relay Wiring Diagram Wiring Solid State Relay is head of the Environmental Statistics Unit of the Central Bank of Costa Rica, and coordinates the Climate Change Strategic Analysis Group of the Central Bank. Irene holds a MSc. in International Development and an PhD in Environmental Economics , both from Wageningen University in The Netherlands. Her areas of expertise are game theory, environmental statistics, biodiversity conservation and environmental accounting. Irene has conducted research on market-based mechanisms for biodiversity conservation, international environmental agreements and spatial economic analysis.