Function perform_agent_investment 

pub fn perform_agent_investment(
    model: &Model,
    year: u32,
    existing_assets: &[AssetRef],
    prices: &CommodityPrices,
    writer: &mut DataWriter,
) -> Result<Vec<AssetRef>>

Perform agent investment to determine capacity investment of new assets for next milestone year.

Arguments

• model - The model
• year - Current milestone year
• existing_assets - The asset pool (commissioned and otherwise)
• prices - Commodity prices calculated in the previous full system dispatch
• writer - Data writer

Returns

The assets selected (including retained commissioned assets) for the given planning year or an error.