Question states " Blanc forecasts a stronger economy, and a upward parallel shift in the yield curve"
Trade 1: Buy a 10-year Ba1/BB+ consumer cyclical sector bond and sell a 10-year Baa3/BBB- consumer cyclical sector bond of another issuer.
Kaplan answer: the stronger economy should lead to spread narrowing and a potential upgrade for hte lower Ba1 bond. Upgrades from below to investment grade can be particularly profitable with narrowing spread and increased liquidity.
My question: When they mention parallel shift, does it mean no spread change? However, they mention the spread narrowing in stronger economy, does it conflict with each other?
Thank you!