Business Management Articles / Manufacturing
Management
TRUE PRODUCTIVITY: THE KEY TO PROFITABILITY
by
Rene T. Domingo (email comments to rtd@aim.edu)
When costs rise, the knee-jerk reaction of
many companies is to assault their customers
with higher prices and/or their employees
with lower wages or layoffs. Customers strike
back by buying less or from somewhere else,
and employees by working less or starting
unrest. As a result, costs further increase,
profits further decline. The problem is compounded
and the vicious cycle begins. Not a few companies
have self-destruct with such easy and thoughtless
approach to contain costs.
It is the fundamental job of managers to absorb
costs by increasing productivity, not by sacrificing
the company's most important stakeholders:
customers and employees. World class companies
have shown that any increase in almost all
costs - man, material, machine, money (4M's)
- can be diffused and dampened by productivity
gains. What sets them apart from mediocre
companies is that most of thinking and working
time of their managers and executives are
spent on continuously raising productivity
throughout the organization. This non-stop
company-wide effort continue whether cost
is increasing or decreasing. Productivity
gains serve as an invisible buffer ready to
absorb costs increases if and when they come
from any direction.
WORLD
CLASS AND CONVENTIONAL PRODUCTIVITY
The universal definition of productivity is
OUTPUT/INPUT; the higher this ratio, the better.
It is a measurement of how efficiently you
convert inputs or resources into useful outputs,
products, or results. Another way of looking
at it is RESULTS/RESOURCES. Mathematically,
you can increase the ratio by raising output,
decreasing input, or both. But in terms of
operating decisions, what you really change
are 1) the amount of input and 2) the process
that converts input to output. Output is not
actually manipulated; it is just a result
of and the target for your decisions in 1)
and 2). In practice, productivity is raised
by improving the process rather than by adjusting
the input quantity. Only after the process
is improved are input requirements eventually
reduced or output increased. Productivity
is finding ways of doing things smarter and
better. It is not as simple as adjusting input
quantity or achieving economies of scale by
operating at high volumes to increase input
yields.
Two schools of thought on how to improve productivity
have emerged:
CONVENTIONAL:
"Getting
the most output from the available input"
OR
MAXIMUM
PRODUCTIVITY = MAXIMUM OUTPUT/AVAILABLE
INPUT
WORLD
CLASS:
"Getting
the required output with minimum input"
OR
MAXIMUM PRODUCTIVITY = REQUIRED OUTPUT/MINIMUM
INPUT
OUTPUT
IS USER-DEFINED
Before we examine the difference, let us see
what we really mean by "output",
the more important variable in our productivity
ratio. As the term deceivingly connotes, it
is something that is "put" "out"
by any process - man or machine. It could
be cars assembled, documents filed, hamburgers
cooked, holes drilled, words typed per minute,
etc. Not surprisingly, "output"
is part of the engineering mind-set; output/input
is the engineer's definition of machine "efficiency"
until it was borrowed by business and renamed
"productivity". As far as the engineer
is concerned, anything that comes out of his
machine is an output.
The problem starts when the concept is transplanted
into the business setting, more precisely,
the market place - where not all outputs are
useful or have value. How is this so? In business,
an output has value if it is a saleable or
usable product, finished or in-process. All
products are outputs, but not all outputs
are products. Something does not become useful
just because it comes out of a process. An
output acquires value if and only if it is
taken in - used or bought - as an input by
another process - another worker, machine,
or customer, whatever the case may be. We
have to increase productivity in the context
of coming out with outputs or products which
a particular user desires. In short, it is
making the right thing the right way. The
next process, an internal customer or external
customer, will accept an output of a preceding
process as a input if it is of the right quality,
quantity and arrives at the right time.
PRODUCTIVITY
IS NOT ABOUT PRODUCTION
The danger with the conventional approach
of maximizing output to raise productivity
is that it tends to disregard the right quality
and quantity which the user - the next process
- will accept. The tendency is to overproduce,
overstock and sacrifice quality for the sake
of quantity. Even during times of lean demand
due to product seasonality, tough competition,
or product obsolescence, the factory is made
to run at high gear, full capacity, in the
name of "productivity." The problem
worsens as productivity in this context is
tied up to workers' compensation or to managers'
bonus schemes. In effect, you are actually
paying and motivating your employees to produce
piles of inventory, wastes, defects, and increase
carrying costs - productivity in reverse gear.
While conventional productivity is production-oriented,
the world class approach is market-oriented.
It starts with the requirements of the customer
- output quantity and quality- and then works
back to improve all processes and minimize
all inputs. Since the productivity program
started with the user or customer in mind,
all outputs are guaranteed to be usable. Nothing
is wasted in output or input. The world class
productivity philosophy is consistent with
the just-in-time or JIT manufacturing system
which requires any process to produce only
the quantity withdrawn or used by the next
process.
It may appear that in a buyer's market, world
class productivity, like JIT, would be more
effective than the traditional approach. Question:
In a seller's market, wouldn't conventional
productivity be better than world class productivity?
If all goods produced can be sold, wouldn't
maximizing output be better than restricting
output. Naturally, in such a situation, maximizing
output is the best decision, but world class
productivity is still the better option. How
is this? In a seller's market, the "required
output" in the world class productivity
ratio becomes the "maximum output"
because that is what is required by the market.
It is however better than the conventional
approach, because the latter just maximizes
output with the available input, but a world
class company would maximize output and minimize
input at the same time in a seller's market,
thus achieving much higher productivity and
profitability. During high demand, a typical
company would be excited and contented with
high sales at the same cost, but a world class
company will be one step ahead with high sales
and lower cost.
APPARENT
AND REAL PRODUCTIVITY
Suppose 10 workers can assemble 100 radios
per hour. If your can increase their efficiency
through training, methods improvement, or
kaizen by 20%, what will be the new set-up?
The typical approach would be to let the 10
workers produce 120 radios. Since nobody is
sure to buy the extra 20 radios, they would
just stay as unplanned inventory - idle and
costly. If the 20 radios are treated as useless
output, then there was no change in real productivity.
The more pragmatic world class approach is
to let 8 workers produce the same 100 radios
- without disturbing the market.
TWO
APPROACHES TO 20% INCREASE IN PRODUCTIVITY
|
|
20% increase in output (conventional
approach) |
20% decrease in input
(world
class approach) |
Current:
100 radios made by10
workers |
120
radios made by 10 workers |
100
radios made by 8 workers |
Productivity |
12
radios per worker |
12.5
radios per worker |
Remember, customers will not increase their
demand and budgets just because you increased
your output and productivity - they could
not care less. You cannot force them to buy
and absorb your extra output just because
you became smarter and more efficient. What
happens to the two extra workers? They do
not have to be laid off; they can be reassigned
to some other jobs or lines and you could
recruit less people next time. Their fate
should not affect the implementation of productivity
plans. Productivity will not increase if there
is no decrease in labor inputs; if the same
number of people just works faster, then there
is no change in labor costs.
From the table above, you would notice that
even in a seller's market, (all production
are sold) ,conventional productivity would
yield a productivity ratio of 120/10 or 12
radios/worker while the world class ratio
is higher at 100/8 or 12.5. Decreasing input
always yields higher productivity than increasing
output by the same percentage. In fact, to
raise the productivity ratio through kaizen,
an input can be reduced continuously until
it becomes zero and unnecessary.
IDLE
OUTPUT VS. IDLE INPUT
Another difference between traditional and
world class productivity is that the former
tends to favor idle output while the latter,
idle input. World class companies believe
that it is always cheaper, wiser, safer, and
more flexible to carry idle inputs - idle
men, machines, raw material inventory - than
to carry idle outputs in the form of finished
goods inventory. The latter, which is high-value
added outputs, would entail high carrying
costs, not to mention the other hidden costs
like risk of obsolescence. It is not unusual
for world class companies to shut down entire
lines and factories during times of lean demand;
they have discovered that it is cheaper to
pay workers salaries to do nothing than pay
them to make radios that will not be sold.
WASTE
ELIMINATION
Productivity is increased by elimination of
all waste - defined as anything unnecessary
- input or output - that entails costs or
investment. The first to tackle is unnecessary
output, the next is unnecessary inputs. The
following input-output grid shows the map
to true productivity.
ROADMAP
TO HIGH PRODUCTIVITY
|
|
necessary input |
unnecessary
input |
necessary
output |
A |
B |
unnecessary output |
C |
D |
There are only two steps:
Step 1. Stop making unnecessary outputs -
thus ridding of C and D. C means something
valuable is used to produce waste. D means
wastes to produce more wastes. Never produce
something not needed by the next process,
the internal customer, or the buyer, the external
customer.
Step 2. Improve the process, and then eliminate
all unnecessary inputs used in making necessary
outputs - thus ridding of B. Only A should
remain in the final stage in which there is
no waste in either input or output.
Warning: Never start with eliminating unnecessary
inputs, for you may be trying to eliminate
the unnecessary resource used for an unsaleable
product (D). An example is doing value analysis
on a widget that nobody will buy. This is
similar to improving the fuel efficiency of
your car by adding gadgets, without cutting
down on unnecessary trips; this will not really
reduce total fuel expenses.
FINDING
THE RIGHT OUTPUT
How do we determine necessary outputs? Outputs
include all products and services to satisfy
an external or internal customer. "Necessary"
means the right products and services at the
right time as specified by the external or
internal customer. The following quality-delivery
grid shows the guide to determining necessary
outputs.
QUALITY-DELIVERY
GRID |
|
right
time |
wrong
time |
right
quality |
A |
B |
wrong
quality |
C |
D |
The right quality means the desired product
with the desired specifications of the user
or customer. The right time means neither
early or late - just in time for immediate
usage by the customer. The right time also
means the right quantity or amount - no more,
no less - as required by the customer. For
practical purposes, products delivered on
time with the wrong quantity, insufficient
or excess, is considered delivered at the
wrong time. There are only two steps in determining
the right output:
Step 1. Eliminate all products and services
unwanted by the external or internal customer
because of wrong quality- thus ridding of
C and D.
Step 2. Avoid the early or late delivery of
the right products and services - thus eliminating
B. Only A should remain as the necessary output.
Warning: Never start solving delivery problems;
you may end up delivering the wrong products
at the right time - another waste of time.
RESOURCE
ABUNDANCE NOT AN EXCUSE
Abundance of resource and inputs is often
used as an excuse to waste them and run operations
unproductively and inefficiently. Unproductive
companies proliferate in economies endowed
with cheap labor and abundant natural resources.
World class companies makes full and efficient
use resources, regardless of their cost and
availability, and regardless of the location
of their operations. With cheap inputs, they
earn much more profits than unproductive companies
using the same resources.
World class productivity lowers total cost
by focusing on the minimizing the usage of
inputs, not by lowering the acquisition or
purchase price of inputs. For instance, it
does not justify low and exploitative wages.
Japanese firms which have high productivity
pay very high wages, but have low total labor
costs. My "Productivity Ode" summarizes
this principle:
High
wages with low productivity is charity
Low
wages with high productivity is exploitation
Low
wages with low productivity is suicide
High
wages with high productivity is progress
PRODUCTIVITY
LINKS CAPITAL TO SALES
Productivity is the black box that converts
capital to sales and profits. It is the missing
link that has been neglected and overlooked
by those who think that business is all a
matter of raising and increasing capital to
buy more or better inputs, and expect sales
and profits to naturally happen. These companies
always discover that they are always starved
for capital while profitability continuously
decline. Infusing capital into wasteful operations
is like feeding fire with fire or throwing
good money after bad. Of course, productivity
cannot be bought by capital; there is no short-cut.
It is a result of hard-work, change of corporate
culture, management outlook, and if necessary,
the change of the entire management.
The crux of world class productivity is to
reduce resources (inputs) without sacrificing
results (outputs) by improving and streamlining
the conversion process. World class productivity
will soften, if not neutralize, the effects
of any increase in inputs costs in the 4M's
through reduction in input quantity required,
thus preserving profitability. Companies which
continuously improve productivity are virtually
immune from cost increases and inflation.
They can maintain competitive prices while
unproductive companies have no choice but
to price themselves out of the market.
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