Write literature review based on these three articles: $$ B$$y$$k$$ahin$,$ B$.,$ & Harris, J$.$ H$.(2011).$ Do speculators drive crude oil futures prices?

$$ Ames, M$.,$ Bagnarosa, G$.,$ Matsui, T$.,$ Peters, G$.$ W$.,$ & Shevchenko, P$.$ V$.(2020).$ Which risk factors drive oil futures price curve?

$$ Liu, J$.,$ Ma$,$ F$.,$ Yang, K$.,$ & Zhang, Y$.(2018).$ Forecasting the oil futures price volatility: Large jumps and small jumps.