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Financial Value of Productivity

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Introduction to Operations Management

Universidad de Pensilvania

4.5 (1,581 calificaciones) | 72K estudiantes inscritos

Curso 5 de 6 en Business Foundations Programa Especializado

Learn to analyze and improve business processes in services or in manufacturing by learning how to increase productivity and deliver higher quality standards. Key concepts include process analysis, bottlenecks, flows rates, and inventory levels, and more. After successfully completing this course, you can apply these skills to a real-world business challenge as part of the Wharton Business Foundations Specialization.

Destrezas que aprenderás

Process Management, Operations Management, Six Sigma, Inventory

Revisiones

4.5 (1,581 calificaciones)

5 stars
1,065 ratings
4 stars
333 ratings
3 stars
110 ratings
2 stars
32 ratings
1 star
41 ratings

EA

May 03, 2019

I liked how the Professor explained different terms of Operations and Quality. This course will help me apply this knowledge of looking inside an operation and finding out the bottlenecks.

SR

Aug 07, 2017

I am an operation person, but still found that this course had something new to teach. The professor was very clear about the concepts, and the structure of the course was well designed.

De la lección

Productivity

You'll learn the key components of productivity in this module. Beginning with the academic definitions of productivity, you'll move on to the common blockers, measurements, indicators of effectiveness, improvement techniques and financial values. By the end of this module, you'll be able to identify, describe and measure the relationship between inputs and outputs and also be able to develop strategies for decreasing inputs while increasing outputs, thereby boosting productivity wherever you see the need to.

Intro to Productivity, Taylorism7:56

The Seven Sources of Waste9:38

Financial Value of Productivity6:44

Key Performance Indicators and KPI Trees 6:21

Overall Equipment Effectiveness12:34

Quartile Analysis9:11

Productivity Ratios9:59

Review of Productivity19:57

Impartido por:

Christian Terwiesch
Andrew M. Heller Professor at the Wharton School, Senior Fellow Leonard Davis Institute for Health Economics Co-Director, Mack Institute of Innovation Management

In most organizations I've worked with, I've encountered a large disconnect

between the world of operations and the world of finance.

Finance people wear a suit.

They read the Wall Street Journal, and they deal with very big numbers.

Operations people look like me.

They sit with a stopwatch at the bottleneck.

Trying to count the seconds that go by.

The disconnect that this creates is very unfortunate, because operations people

tend to often be confused chasing so many performance measures.

And they forget that your productivity improvements, improvements along

other operational performance measures are not the goal in it by themselves.

For a for profit organization the goal is to make money,

not to increase productivity.

On the other hand, the finance folks often struggle with the challenge of

how can they go about making their financials more attractive.

Even as a CEO you don't show up to the process on Monday morning.

Roll up the sleeves and says well today I'm going to improve my margins by 10%.

Operational things are the things that are actionable for management.

For this reason I would argue that understanding the operations

remains at the heart of business.

Lets go back for our Subway restaurant analysis.

We are previously at 95.

Station two is the bottom line with the processing time of 47 seconds

per customer.

Let's assume that our demand is 100 customers per hour, and

that each customer orders six dollars worth of food.

Let's assume further that the purchasing cost of this food is $1.50 and

that we have four employees making $15 per hour.

Finally, let's assume that we have fixed costs in term of rent, franchise fee,

marketing, and overhead of roughly $250 per hour during peak times.

How much profits will we make?

Let's start computing the top line.

For this, first of all, we need to compute our process capacity.

Since there are 3,600 seconds in the hour, we know that our capacity is driven

by the bottleneck and corresponds to 76 sandwiches or customers served.

Next, we know that the flow rate is the minimum between

the demand and the capacity.

Not surprisingly, this tells us that we're going to serve 76 customers per hour.

If we multiply this, with the money that we are making per customer,

we see that we are having an expected revenue of $459 per hour.

Now, the food costs are driving our cogs.

And so the food costs are simply our flow rate,

multiplied with a $1.50.

Our staffing is simply the number of employees times the weight trade.

And fixed cost as simply, the $250.

If you combine these numbers, we're going to get our bottom line profit.

In our case here, this is $459 minus the cogs

minus the staffing, minus $250, a fixed cost.

That gives us $34 for every hour of peak volume.

How do the profit number change as we change some of the operational variables?

First consider a change in food cost.

Imagine, in the very meaning of the word, that we could slice a salami more thinly.

We would get a saving of, say, 10% in our food cost per customers,

so instead of $1.50, we would reduce the cost per order to $1.35.

We see the profits go up from $34 to $46.

An extra $12 or roughly 33% relative to the baseline.

Now lets go back to this baseline and

evaluate the impact of productivity improvement.

In the same way,

lets assume where we can cut the processing time at the bottleneck by 10%.

This would go down from 47 seconds to 42.3 seconds.

The input of profits is amazing.

You notice that profits go up from $34 to over $72.

This corresponds to well over 100% increase in profit.

Just as a result of a 10% productivity improvement.

Of course this hinges on the assumption that we have enough demand.

Operations and our demand constraints

are not going to be able to materialize big changes in profits for

productivity improvements unless they are able to lay off workers.

In contrast if you're constrained by capacity, productivity

improvements at the bottleneck make up for real profit improvements.

In this case we see that every second counts.

Four seconds at the bottleneck means doubling your profit.

Understanding this connection between the operational variables and

the financial variables is key.

Every second counts.

In this session we saw that productivity improvement in an operation

can lead to very significant financial rewards.

However, not all seconds are created equal.

If you are improving the productivity of a non-bottleneck resource, or

if you are currently constrained by demand rather than by your capacity,

productivity improvements might translate into small labor costs reductions, but

they will not have the big rewards that we saw in the Subway case.

Such big rewards tend to happen primarily

in organizations that have high fixed costs.

High fixed cost operations tend to have lower marginal costs and

so every unit of flow.

Every extra customer that you serve.

Their revenue will go directly into the bottom line.

Finding out what areas in an operations will lead you to the biggest

financial rewards is a key skill that we will continue to work on in this module.

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