A constant question asked of all the great NBA players, no matter how much they seem to score or win, is... "But does he make his teammates better?"
NBA.com recently released its "StatsCube" which I find amazing. It opens up so many doors in the world of stats. Since I'm a Lakers fan and all obviously, and Kobe is our star/elite/HoFer/legend/leader, I decided to look up if Kobe Bryant makes his teammates better, or worse, in one particular way.
The StatsCube shows stats from the 2010-11 season, per 36 minutes. It doesn't show PER and I honestly have no clue how to calculate it (looking at the formula just scrambles my brain), so I avoided that. I did not look at rebounds, assists, steals, blocks, turnovers, or any of that (mostly because I didn't want to). What I did look up though (something that is definitely relevant to how Kobe affects the team), is each of the Lakers' FG%, and their "points per points possible" with Kobe on and off the court (per 36 minutes). I'll clear this up in a second.
I looked at the stats for 9 Lakers players from the regular season... sorted by mpg they are: Pau Gasol, Lamar Odom, Ron Artest, Derek Fisher, Andrew Bynum, Steve Blake, Matt Barnes, Shannon Brown, and Luke Walton. All of these guys played a minimum of 50 games this season.
I figured simply looking at something like points would not show much, as some players (Bynum for example) will score a lot more without Kobe getting FGA next to him. What matters though is if he's shooting a great percentage either way, and if he's making the most of the chances he gets. This is where "points possible" comes in. It's a very simple stat with a very simple formula (Hell, someone probably made/uses this with a better name but this is how I'm doing it). Points Possible = FTA + (2pt FGA * 2) + (3pt FGA * 3). Basically, if a player was to make every single shot he took, he would get that many points, hence "points possible", or pp. It does not require knowing how many shots were actually made.
Now that we got that out of the way, lets get to the results. What do we find? Does Kobe help everyone? Does he hurt the team? Here we are, sorted by who benefits the most by playing alongside Kobe Bryant (net pt/pp), to the player who is most thrown off by playing with Kobe. Some of these results may surprise you.
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Greatly helped by Kobe's presence:
1. Ron Artest
FG% with/without Kobe - 41%/28% (Net: +13%)
Pt/pp with/without Kobe - 15.53/10.80 (Net: +4.73)
2. Shannon Brown
FG% with/without Kobe - 52%/40% (Net: +12%)
Pt/pp with/without Kobe - 18.80/15.30 (Net: +3.51)
3. Steve Blake
FG% with/without Kobe - 43%/34% (Net: +9%)
Pt/pp with/without Kobe - 16.21/12.86 (Net: +3.35)
4. Pau Gasol
FG% with/without Kobe - 55%/48% (Net: +7%)
Pt/pp with/without Kobe - 21.32/19.05 (Net: +2.27)
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Play consistent with or without Kobe (within 1pt/pp):
5. Andrew Bynum
FG% with/without Kobe - 57%/58% (Net: -1%)
Pt/pp with/without Kobe - 21.32/21.43 (Net: -0.11)
6. Lamar Odom
FG% with/without Kobe - 54%/52% (Net: +2%)
Pt/pp with/without Kobe - 19.14/19.31 (Net: -0.17)
7. Luke Walton
FG% with/without Kobe - 33%/33% (Net: 0%)
Pt/pp with/without Kobe - 11.11/11.94 (Net: -0.83)
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Hindered playing next to Kobe:
8. Matt Barnes
FG% with/without Kobe - 37%/50% (Net: -13%)
Pt/pp with/without Kobe - 13.83/18.50 (Net: -4.66)
9. Derek Fisher
FG% with/without Kobe - 38%/57% (Net: -19%)
Pt/pp with/without Kobe - 14.99/22.56 (Net: -7.57)
I don't know about you... but that last one surprised me. Here's a graph for TL;DR. Just shows the net change in Points per Point Possible with Kobe on/off the court (view entire image).

Hope this was insightful. Discussion welcomed, as well as comments/criticism since I'm not a stathead and I **** up a lot, just curious about a lot of things.