Tesla Lease Mileage Limit and the Central Limit Theorem
I am onto my second Tesla car leases now, so I think I can define another form of range anxiety with my leased cars: Driving over the lease limit. It was actually quite...
Category
analytics
Daniel Pink’s “When” is an Illuminating Book Towards High Productivity and Better Living
I stumbled upon the book “When” during a trip to my local library. What a pleasant surprise – I have been pondering about the same question: Why does our...
SHOULD I BUY OR LEASE A TESLA? PART 4: It all comes down to your apetities towards risk
Having used multiple spreadsheets to illustrate the dollars and cents around the leasing vs buying option, let me conclude. It depends on how you view uncertainty. As I said...
SHOULD I BUY OR LEASE A TESLA? PART 3: It is not black-and-white (because we do not know the future)
In my last post, I showed that the total cost of buying a Tesla with a loan (or cash) is easy to figure out. However the final value is critically dependent upon one thing:...
SHOULD I BUY OR LEASE A TESLA? PART 2: Total loan cost (when you are sure about the depreciation)
In a previous post, I calculated the total cost of leasing a Tesla, using my own experience as an example. Before we move on to the buying option, let me mention one important...
Should I Buy or Lease a Tesla? Part 1: Leasing Cost
Recently I read quite a bit of discussion on “Should I buy or lease a Tesla?”. I do not want to weigh in on which side I take, as I know it is not just about...
How to draw ranking data properly
A slight problem with drawing data on ranking is how we normally think about ranking. We normally associate “#1” as the best, and “#10” as worse...
Simulation: Is demand equal to sales? (Part I)
Consider the following problem: Suppose at a retail store the annual demand for a toy is a random variable with a normal distribution of N(600, 100), i.e., with mean of 600...
Simulation: It all starts with a coin toss
There are many sophisticated tools dedicated to Monte Carlo simulation, but Excel is powerful enough to handle a variety of simulation needs. Here are the basic steps of...
Last-mile Transport is the Key Driver in Supply Chain Carbon Footprint
Does online shopping have a larger or smaller carbon footprint? Well, it depends. But depends on what? In a most recently-published study by Shahmohammadi et al (2020)...