In terms of static push, does a shrouded/ducted propeller surpass an un-shrouded propeller?

In terms of static push, does a shrouded/ducted propeller surpass an un-shrouded propeller? It would appear that the guide blades toward the base in the duct allows bit more thrust is obtained from the vortex the prop produces by redirecting the atmosphere flow. Also the duct appears like it might “focus” the propelled environment (like …

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